Cascading choices with repeated options: "You must have set `allow_choice_duplicates` setting in your settings sheet

Greetings,

I am brand new to Kobo, and have been trying to create a cascading select form which includes some path-dependent duplicate choices. It is for a household survey of cardiovascular meds, and we are trying to create a survey that gives data collectors a list of brands/producers based on inn status, dosage and medicine, of which there are many possible combinations. I have tried to eliminate any duplication in the path-dependent names (although not in the labels). At the final level, brand, there is inevitable duplication, because the same producer may make more than one dose of a medicine, and more than one medicine.

When I try to preview the form, I get the “you must have set allow_choice_duplicates setting” error, but I cannot find any guidance on how to do this. Many other users have raised this issue; the response often refers them back to this post:
https://xlsform.org/en/#choice-names.

However this does not resolve my problem, at least through my beginner’s eyes.

I would like to attach spreadsheet which contains the overall questionnaire structure and the medicine data, as well as the sheet that I set up for import to kobo, which I pasted into the form following the instructions given here: http://xlsform.org/en/#cascading-selects. However, I am not allowed to upload, as a new user.
I’m pasting here a sample of the data below (the actual data runs to 360 lines.

Please feel free to treat me as an absolute beginner in any response; though I do read the guidance, no instructions are too basic.

list_name name label medicine dose inn
medicine amlodipine Amlodipine
medicine simvastatin Simvastatin
dose 5amlo 5mg amlodipine
dose 10amlo 10mg amlodipine
dose 10sim 10mg simvastatin
dose 20sim 20mg simvastatin
inn 5amlo_inn Generik INN 5amlo
inn 5amlo_merk Nama dagang/Merk 5amlo
inn 10amlo_inn Generik INN 10amlo
inn 10amlo_brand Nama dagang/Merk 10amlo
inn 10sim_inn Generik INN 10sim
inn 10sim_brand Nama dagang/Merk 10sim
inn 20sim_inn Generik INN 20sim
inn 20sim_brand Nama dagang/Merk 20sim
merk guardian_pharmatama guardian pharmatama 5amlo_inn
merk indofarma indofarma 5amlo_inn
merk novell_ novell 5amlo_inn
merk nufarindo nufarindo 5amlo_inn
merk actapin actapin 5amlo_merk
merk amcor amcor 5amlo_merk
merk belvas_5 belvas 5 5amlo_merk
merk cardisan cardisan 5amlo_merk
merk comdipin_5 comdipin 5 5amlo_merk
merk indofarma indofarma 10amlo_inn
merk novell_ novell 10amlo_inn
merk nufarindo nufarindo 10amlo_inn
merk actapin actapin 10amlo_brand
merk amcor amcor 10amlo_brand
merk belvas_10 belvas 10 10amlo_brand
merk comdipin_10 comdipin 10 10amlo_brand
merk dilavask dilavask 10amlo_brand
merk intervask intervask 10amlo_brand
merk mutiara_mukti_farma mutiara mukti farma 10sim_inn
merk mutifa_industri_farmasi mutifa industri farmasi 10sim_inn
merk novell_pharmaceutical_lab. novell pharmaceutical lab. 10sim_inn
merk pertiwi_agung pertiwi agung 10sim_inn
merk promedrahardjo_farmasi_industri promedrahardjo farmasi industri 10sim_inn
merk rama_emerald_multi_sukses rama emerald multi sukses 10sim_inn
merk sanbe_farma sanbe farma 10sim_inn
merk tempo_scan_pacific tempo scan pacific 10sim_inn
merk tempo_scan_pacific tempo scan pacific 10sim_inn
merk tropica_mas tropica mas 10sim_inn
merk yarindo_farmatama yarindo farmatama 10sim_inn
merk sampharindo_perdana sampharindo perdana 10sim_inn
merk cholestat cholestat 10sim_brand
merk colesbat colesbat 10sim_brand
merk cortavas_10 cortavas 10 10sim_brand
merk esvat esvat 10sim_brand
merk lesvatin lesvatin 10sim_brand
merk lipinorm_10 lipinorm 10 10sim_brand
merk lipivast lipivast 10sim_brand
merk norpid_10 norpid 10 10sim_brand
merk cholestat cholestat 20sim_brand
merk statcol statcol 20sim_brand
merk zencor_20 zencor 20 20sim_brand
merk zencor_40 zencor 40 20sim_brand
merk rechol_20 rechol 20 20sim_brand
merk simvasgen_20 simvasgen 20 20sim_brand
merk cortavas_20 cortavas 20 20sim_brand
merk zochol_40 zochol 40 20sim_brand
merk valemia valemia 20sim_brand
merk errita_pharma errita pharma 20sim_inn
merk ferron_par_pharmaceuticals ferron par pharmaceuticals 20sim_inn
merk graha_farma graha farma 20sim_inn
merk hexpharm hexpharm 20sim_inn
merk ifars ifars 20sim_inn
merk kalbe_farma kalbe farma 20sim_inn
merk kimia_farma kimia farma 20sim_inn
merk lloyd_pharma lloyd pharma 20sim_inn
merk lloyd_pharma lloyd pharma 20sim_inn
merk mulia_farma_suci mulia farma suci 20sim_inn
merk pharos_indonesia pharos indonesia 20sim_inn
merk sampharindo_perdana sampharindo perdana 20sim_inn
merk sanbe_farma sanbe farma 20sim_inn

Many thanks
ep for MedsWatch

Hi @medswacth
Welcome to the community forum. The issue you are facing has been discussed previously on the forum. Kindly have a look at the following discussions.

Stephane

1 Like

Looking at the information you shared, i could see the following duplicates which should have hindered you form deploying successfully:

Image 1

At the same time i also see a definite duplicate in row 10 and row 11 of the attached image where column A, B, C and F are identical. Maybe you should be able to understand the scenario much better than we do.

If you however assume that they are unique in respect to column ‘F’ maybe you could rename column B as shown in the image below:

Image 2

Doing so, you should be able to create a unique name for your choice sheet referring to merk and the system should allow you to upload your xlsform without any error message.

Thank you for your prompt response. You are correct, those were exact duplicates which had escaped my notice. Thank you for pointing them out. I have removed them, and a few other duplicates, and run the whole sheet through Stata’s ‘duplicates report’ function to check for any remaining duplicates. There are no remaining duplicates (in a sheet with 348 lines.) I have pasted the cleaned data in to KoboToolbox as previously, but still get the same error message. I have ensured that I have also removed all blanks within names (although not labels, where I assume blanks are ok) as well as other characters (decimal points, commas) other than underscores.

Following @stephanealoo’s advice to go back through the documentation one more time, I tried to validate the sheet at https://getodk.org/xlsform/. There, I get the error message: Error: The survey sheet is either empty or missing important column headers. As the Kobo system does not allow me to upload an attachment (new user), I now paste in the entire sheet; I’d be grateful if you could help me identify the continuing error. Many thanks.

list_name name label medicine dose inn
medicine amlodipine Amlodipine
medicine simvastatin Simvastatin
medicine captopril Captopril
medicine furosemide Furosemide
medicine glibenclamide Glibenclamide
medicine metformin Metformin
medicine aspilet Acetosal/Aspilet/Acetylsalicylic acid
medicine bisroprolol Bisroprolol
medicine candesartan Candesartan
medicine clopidogrel Clopidogrel
medicine none Tidak ada
dose 5amlo 5mg amlodipine
dose 10amlo 10mg amlodipine
dose 10sim 10mg simvastatin
dose 20sim 20mg simvastatin
dose 12point5capt 12.5mg captopril
dose 25capt 25mg captopril
dose 10furo 10mg furosemide
dose 40furo 40mg furosemide
dose 5glib 5mg glibenclamide
dose 500met 500mg metformin
dose 750met 750mg metformin
dose 850met 850mg metformin
dose 80asp 80mg aspilet
dose 100asp 100mg aspilet
dose 500asp 500mg aspilet
dose 2point5biso 2.5mg bisroprolol
dose 5biso 5mg bisroprolol
dose 8can 8mg candesartan
dose 16can 16mg candesartan
dose 75clop 75mg clopidogrel
inn 5amlo_inn Generik INN 5amlo
inn 5amlo_merk Nama dagang/Merk 5amlo
inn 10amlo_inn Generik INN 10amlo
inn 10amlo_brand Nama dagang/Merk 10amlo
inn 10sim_inn Generik INN 10sim
inn 10sim_brand Nama dagang/Merk 10sim
inn 20sim_inn Generik INN 20sim
inn 20sim_brand Nama dagang/Merk 20sim
inn 12point5capt_inn Generik INN 12point5capt
inn 12point5capt_brand Nama dagang/Merk 12point5capt
inn 25capt_inn Generik INN 25capt
inn 25capt_brand Nama dagang/Merk 25capt
inn 10furo_inn Generik INN 10furo
inn 10furo_brand Nama dagang/Merk 10furo
inn 40furo_inn Generik INN 40furo
inn 40furo_brand Nama dagang/Merk 40furo
inn 5glib_inn Generik INN 5glib
inn 5glib_brand Nama dagang/Merk 5glib
inn 500met_inn Generik INN 500met
inn 500met_brand Nama dagang/Merk 500met
inn 750met_inn Generik INN 750met
inn 750met_brand Nama dagang/Merk 750met
inn 850met_inn Generik INN 850met
inn 850met_brand Nama dagang/Merk 850met
inn 80asp_inn Generik INN 80asp
inn 80asp_brand Nama dagang/Merk 80asp
inn 100asp_inn Generik INN 100asp
inn 100asp_brand Nama dagang/Merk 100asp
inn 500asp_inn Generik INN 500asp
inn 500asp_brand Nama dagang/Merk 500asp
inn 2point5biso_inn Generik INN 2point5biso
inn 2point5biso_brand Nama dagang/Merk 2point5biso
inn 5biso_inn Generik INN 5biso
inn 5biso_brand Nama dagang/Merk 5biso
inn 8can_inn Generik INN 8can
inn 8can_brand Nama dagang/Merk 8can
inn 16can_inn Generik INN 16can
inn 16can_brand Nama dagang/Merk 16can
inn 75clop_inn Generik INN 75clop
inn 75clop_brand Nama dagang/Merk 75clop
merk guardian_pharmatama guardian pharmatama 5amlo_inn
merk indofarma indofarma 5amlo_inn
merk novell novell 5amlo_inn
merk nufarindo nufarindo 5amlo_inn
merk actapin actapin 5amlo_merk
merk amcor amcor 5amlo_merk
merk belvas_5 belvas 5 5amlo_merk
merk cardisan cardisan 5amlo_merk
merk comdipin_5 comdipin 5 5amlo_merk
merk dilavask dilavask 5amlo_merk
merk intervask intervask 5amlo_merk
merk pehavask pehavask 5amlo_merk
merk theravask theravask 5amlo_merk
merk guardian_pharmatama guardian pharmatama 10amlo_inn
merk indofarma indofarma 10amlo_inn
merk novell novell 10amlo_inn
merk nufarindo nufarindo 10amlo_inn
merk actapin actapin 10amlo_brand
merk amcor amcor 10amlo_brand
merk belvas_10 belvas 10 10amlo_brand
merk comdipin_10 comdipin 10 10amlo_brand
merk dilavask dilavask 10amlo_brand
merk intervask intervask 10amlo_brand
merk lovask lovask 10amlo_brand
merk pehavask pehavask 10amlo_brand
merk selescardio_10 selescardio 10 10amlo_brand
merk bernofarm bernofarm 10sim_inn
merk dexa_medica dexa medica 10sim_inn
merk errita_pharma errita pharma 10sim_inn
merk first_medifarma first medifarma 10sim_inn
merk graha_farma graha farma 10sim_inn
merk hexpharm hexpharm 10sim_inn
merk kimia_farma kimia farma 10sim_inn
merk mulia_farma_suci mulia farma suci 10sim_inn
merk mutiara_mukti_farma mutiara mukti farma 10sim_inn
merk mutifa_industri_farmasi mutifa industri farmasi 10sim_inn
merk novell novell 10sim_inn
merk pertiwi_agung pertiwi agung 10sim_inn
merk promedrahardjo promedrahardjo 10sim_inn
merk rama_emerald_multi_sukses rama emerald multi sukses 10sim_inn
merk sanbe_farma sanbe farma 10sim_inn
merk tempo_scan_pacific tempo scan pacific 10sim_inn
merk tropica_mas tropica mas 10sim_inn
merk yarindo_farmatama yarindo farmatama 10sim_inn
merk sampharindo_perdana sampharindo perdana 10sim_inn
merk cholestat cholestat 10sim_brand
merk colesbat colesbat 10sim_brand
merk cortavas_10 cortavas 10 10sim_brand
merk esvat esvat 10sim_brand
merk lesvatin lesvatin 10sim_brand
merk lipinorm_10 lipinorm 10 10sim_brand
merk lipivast lipivast 10sim_brand
merk norpid_10 norpid 10 10sim_brand
merk preschol preschol 10sim_brand
merk rechol_10 rechol 10 10sim_brand
merk rendapid rendapid 10sim_brand
merk rocoz rocoz 10sim_brand
merk selvim_10 selvim 10 10sim_brand
merk simbado simbado 10sim_brand
merk simchol simchol 10sim_brand
merk simvaschol simvaschol 10sim_brand
merk simvasgen_10 simvasgen 10 10sim_brand
merk sinova sinova 10sim_brand
merk sintrol sintrol 10sim_brand
merk statcol statcol 10sim_brand
merk statkoles statkoles 10sim_brand
merk svt_10 svt 10 10sim_brand
merk tianvas_10 tianvas 10 10sim_brand
merk valansim valansim 10sim_brand
merk valemia valemia 10sim_brand
merk zencor_10 zencor 10 10sim_brand
merk zochol_10 zochol 10 10sim_brand
merk esvat esvat 20sim_brand
merk norpid_20 norpid 20 20sim_brand
merk svt_20 svt 20 20sim_brand
merk selvim selvim 20sim_brand
merk cholestat cholestat 20sim_brand
merk statcol statcol 20sim_brand
merk zencor_20 zencor 20 20sim_brand
merk zencor_40 zencor 40 20sim_brand
merk rechol_20 rechol 20 20sim_brand
merk simvasgen_20 simvasgen 20 20sim_brand
merk cortavas_20 cortavas 20 20sim_brand
merk zochol_40 zochol 40 20sim_brand
merk valemia valemia 20sim_brand
merk errita_pharma errita pharma 20sim_inn
merk ferron_par_pharmaceuticals ferron par pharmaceuticals 20sim_inn
merk graha_farma graha farma 20sim_inn
merk hexpharm hexpharm 20sim_inn
merk ifars ifars 20sim_inn
merk kalbe_farma kalbe farma 20sim_inn
merk kimia_farma kimia farma 20sim_inn
merk lloyd_pharma lloyd pharma 20sim_inn
merk mulia_farma_suci mulia farma suci 20sim_inn
merk pharos_indonesia pharos indonesia 20sim_inn
merk sampharindo_perdana sampharindo perdana 20sim_inn
merk sanbe_farma sanbe farma 20sim_inn
merk dexa_medica dexa medica 12point5capt_inn
merk hexpharm hexpharm 12point5capt_inn
merk indofarma indofarma 12point5capt_inn
merk phapros phapros 12point5capt_inn
merk kimia_farma kimia farma 12point5capt_inn
merk acepress acepress 12point5capt_brand
merk dexacap dexacap 12point5capt_brand
merk forten forten 12point5capt_brand
merk tensicap_1 tensicap 1 12point5capt_brand
merk vapril vapril 12point5capt_brand
merk dexa_medica dexa medica 25capt_inn
merk errita_pharma errita pharma 25capt_inn
merk hexpharm hexpharm 25capt_inn
merk indofarma indofarma 25capt_inn
merk kimia_farma kimia farma 25capt_inn
merk pertiwi_agung pertiwi agung 25capt_inn
merk phapros phapros 25capt_inn
merk rama_emerald_multi_sukses rama emerald multi sukses 25capt_inn
merk acepress acepress 25capt_brand
merk dexacap dexacap 25capt_brand
merk etapril etapril 25capt_brand
merk farmoten farmoten 25capt_brand
merk forten_25 forten 25 25capt_brand
merk otoryl otoryl 25capt_brand
merk prix prix 25capt_brand
merk vapril_25 vapril 25 25capt_brand
merk ethica_industri_farmasi ethica industri farmasi 10furo_inn
merk dexa_medica dexa medica 10furo_inn
merk indofarma indofarma 10furo_inn
merk mersifarma_tirmaku_mercusana mersifarma tirmaku mercusana 10furo_inn
merk bernofarm bernofarm 10furo_inn
merk uretic uretic 10furo_brand
merk uresix uresix 10furo_brand
merk silax silax 10furo_brand
merk lasix lasix 10furo_brand
merk frd frd 10furo_brand
merk farsix farsix 10furo_brand
merk edemin edemin 10furo_brand
merk diuvar diuvar 10furo_brand
merk first_medifarma first medifarma 40furo_inn
merk indofarma indofarma 40furo_inn
merk kimia_farma kimia farma. 40furo_inn
merk kimia_farma kimia farma 40furo_inn
merk sampharindo_perdana sampharindo perdana 40furo_inn
merk sanbe_farma sanbe farma 40furo_inn
merk yarindo_farmatama yarindo farmatama 40furo_inn
merk farsiretic farsiretic 40furo_brand
merk farsix_40 farsix 40 40furo_brand
merk gralixa gralixa 40furo_brand
merk lasix lasix 40furo_brand
merk mediresix mediresix 40furo_brand
merk uresix uresix 40furo_brand
merk first_medifarma first medifarma 5glib_inn
merk indofarma indofarma 5glib_inn
merk kimia_farma kimia farma 5glib_inn
merk phapros phapros 5glib_inn
merk daonil daonil 5glib_brand
merk fimediab fimediab 5glib_brand
merk harmida harmida 5glib_brand
merk latibet latibet 5glib_brand
merk renabetic renabetic 5glib_brand
merk dexa_medica dexa medica 500met_inn
merk hexpharm hexpharm 500met_inn
merk otto otto 500met_inn
merk phapros phapros 500met_inn
merk promedrahardjo promedrahardjo 500met_inn
merk tempo_scan_pacific tempo scan pacific 500met_inn
merk adecco_xr adecco xr 500met_brand
merk diabemin_xr_500 diabemin xr 500 500met_brand
merk diabit diabit 500met_brand
merk diafac_xr diafac xr 500met_brand
merk diaformin_xr diaformin xr 500met_brand
merk efomet_xr efomet xr 500met_brand
merk eraphage eraphage 500met_brand
merk forbetes_500 forbetes 500 500met_brand
merk forbetes_500_xr forbetes 500 xr 500met_brand
merk glicolock_xr glicolock xr 500met_brand
merk gliformin gliformin 500met_brand
merk glikos glikos 500met_brand
merk glucophage glucophage 500met_brand
merk glucophage_xr glucophage xr 500met_brand
merk glucotika glucotika 500met_brand
merk gludepatic_500 gludepatic 500 500met_brand
merk glufor_500 glufor 500 500met_brand
merk glumin glumin 500met_brand
merk glumin_xr_500 glumin xr 500 500met_brand
merk gradiab_500 gradiab 500 500met_brand
merk metphar_xr_500 metphar xr 500 500met_brand
merk nevox_xr nevox xr 500met_brand
merk reglus_xr reglus xr 500met_brand
merk tudiab tudiab 500met_brand
merk zendiab zendiab 500met_brand
merk promedrahardjo promedrahardjo 750met_inn
merk efomet_xr_ efomet xr 750met_brand
merk gliformin_sr_750 gliformin sr 750 750met_brand
merk glucophage_xr glucophage xr 750met_brand
merk glumin_xr glumin xr 750met_brand
merk metphar_xr_750 metphar xr 750 750met_brand
merk bernofarm bernofarm 850met_inn
merk tempo_scan_pacific tempo scan pacific 850met_inn
merk adecco_ adecco 850met_brand
merk benofomin benofomin 850met_brand
merk forbetes_850 forbetes 850 850met_brand
merk gliformin gliformin 850met_brand
merk glikos glikos 850met_brand
merk glucophage glucophage 850met_brand
merk glucotika glucotika 850met_brand
merk glufor_850 glufor 850 850met_brand
merk heskopaq_850 heskopaq 850 850met_brand
merk bodrexin_ bodrexin 80asp_brand
merk cartylo cartylo 80asp_brand
merk contrexyn contrexyn 80asp_brand
merk inzana inzana 80asp_brand
merk miniaspi_80 miniaspi 80 80asp_brand
merk minigrip minigrip 80asp_brand
merk nospirinal nospirinal 80asp_brand
merk thrombo_aspilets thrombo aspilets 80asp_brand
merk phapros phapros 100asp_inn
merk aptor aptor 100asp_brand
merk astika astika 100asp_brand
merk cardio_aspirin cardio aspirin 100asp_brand
merk farmasal farmasal 100asp_brand
merk gramasal gramasal 100asp_brand
merk phapros phapros 500asp_inn
merk aspirin aspirin 500asp_brand
merk bernofarm bernofarm 2point5biso_inn
merk dexa_medica dexa medica 2point5biso_inn
merk beta-one beta-one 2point5biso_brand
merk biofin biofin 2point5biso_brand
merk bisovell bisovell 2point5biso_brand
merk concor concor 2point5biso_brand
merk opiprol opiprol 2point5biso_brand
merk selbix selbix 2point5biso_brand
merk maintate maintate 2point5biso_brand
merk bernofarm bernofarm 5biso_inn
merk dexa_medica dexa medica 5biso_inn
merk hexpharm hexpharm 5biso_inn
merk otto otto 5biso_inn
merk pertiwi_agung pertiwi agung 5biso_inn
merk pratapa_nirmala pratapa nirmala 5biso_inn
merk b-beta b-beta 5biso_brand
merk beta-one beta-one 5biso_brand
merk biofin biofin 5biso_brand
merk bipro bipro 5biso_brand
merk biscor biscor 5biso_brand
merk bisovell bisovell 5biso_brand
merk concor concor 5biso_brand
merk maintate5 maintate 5 5biso_brand
merk miniten miniten 5biso_brand
merk opiprol5 opiprol 5 5biso_brand
merk selbix selbix 5biso_brand
merk bernofarm bernofarm 8can_inn
merk infion infion 8can_inn
merk natura_laboratoria_prima natura laboratoria prima 8can_inn
merk pratapa_nirmala pratapa nirmala 8can_inn
merk blopress_ blopress 8can_brand
merk candefar_8 candefar 8 8can_brand
merk candefion candefion 8can_brand
merk candotens_8 candotens 8 8can_brand
merk quatan quatan 8can_brand
merk bernofarm bernofarm 16can_inn
merk infion infion 16can_inn
merk natura_laboratoria_prima natura laboratoria prima 16can_inn
merk pratapa_nirmala pratapa nirmala 16can_inn
merk blopress_ blopress 16can_brand
merk candefar_16 candefar 16 16can_brand
merk candefion candefion 16can_brand
merk candotens_16 candotens 16 16can_brand
merk quatan quatan 16can_brand
merk hexpharm hexpharm 75clop_inn
merk ikapharmindo_putramas ikapharmindo putramas 75clop_inn
merk indofarma indofarma 75clop_inn
merk kimia_farma kimia farma 75clop_inn
merk pratapa_nirmala pratapa nirmala 75clop_inn
merk agrelano_ agrelano 75clop_brand
merk artepid artepid 75clop_brand
merk clotix clotix 75clop_brand
merk copidrel copidrel 75clop_brand
merk cpg cpg 75clop_brand
merk trombikaf trombikaf 75clop_brand

PS: after posting that message I realised that I might have something that was distinct on label but duplicated on all else, and indeed I did (kimia farma, line 210/211). However, I have removed that duplicate, and the problem persists.

Would you kindly ensure that your xlsform has all the 3 essential tabs i.e. survey tab, choices tab and the settings tab. Also please note that the settings tab is optional and not mandatory but the former 2 tabs are mandatory for an xlsform whether you test it with the online xlsform validation site or you test them through KoBoToolbox server.

Thanks. I have done that (copied values from an earlier attempt at making this form). Now I get this error message from the validator:
Error: The name column for the ‘merk’ choice list contains these duplicates: ‘guardian_pharmatama’, ‘indofarma’, ‘novell’, ‘nufarindo’, ‘actapin’, ‘amcor’, ‘dilavask’, ‘intervask’, ‘pehavask’, ‘bernofarm’, ‘dexa_medica’, ‘errita_pharma’, ‘first_medifarma’, ‘graha_farma’, ‘hexpharm’, ‘kimia_farma’, ‘mulia_farma_suci’, ‘pertiwi_agung’, ‘promedrahardjo’, ‘rama_emerald_multi_sukses’, ‘sanbe_farma’, ‘tempo_scan_pacific’, ‘yarindo_farmatama’, ‘sampharindo_perdana’, ‘cholestat’, ‘esvat’, ‘statcol’, ‘valemia’, ‘phapros’, ‘acepress’, ‘dexacap’, ‘uresix’, ‘lasix’, ‘otto’, ‘gliformin’, ‘glikos’, ‘glucophage’, ‘glucophage_xr’, ‘glucotika’, ‘beta-one’, ‘biofin’, ‘bisovell’, ‘concor’, ‘selbix’, ‘pratapa_nirmala’, ‘infion’, ‘natura_laboratoria_prima’, ‘blopress_’, ‘candefion’, ‘quatan’. Duplicate names will be impossible to identify in analysis unless a previous value in a cascading select differentiates them. If this is intentional, you can set the allow_choice_duplicates setting to ‘yes’. Read more: https://xlsform.org/#choice-names.

YES, this is intentional. And YES I have tried to read the guidance, But I have no idea how or where to “set the allow_choice_duplicates setting to ‘yes’.” The suggested resource: https://xlsform.org/#choice-names. tells me the following:
If you do need to use duplicate choice names, you can suppress the error by using the allow_choice_duplicates setting. It then has a little picture of some cells on the setting sheet which I have tried to reproduce, by typing
“allow_choice_duplicates” into one cell and “yes” into the cell below, as illustrated. (I also tried it in the sequential cell, just in case). I would happily try to follow any video tutorial or similar, but cannot find such a thing.

Maybe this should help you:

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