Dynamic data connection does not work

Buenas tardes,

I have read Dynamic Data Attachments — KoboToolbox documentation and followed the steps but I can’t get it to work.
These are two forms, one for individual registration of people (main project) and another for registration of meetings (child project) where it is required to bring the names and surnames with the identification document.

P_doc = identification document number -main project
P_nombres = names -main project
P_apellidos = lastname -main project

Image 1-Indiv

Q_doc= identification document number -child project
Q_nombress = names -child project
Q_apellidos = lastname -child project
Image 1-Reunion

I have already shared the main project

I already connected the child project

When implementing, it gives me the following error
Deploy Error

When previewing the following error
Preview Error

I have validated it in
Validate xls v2
Validate xls v1

I would like to ask for help in knowing why it tells me that ${P_nombres} does not exist and look for a solution to achieve the dynamic connection between the two projects.

I appreciate your help


@felmar79, I guess you have missed this step outlined in the support article:

Thanks @Kal_Lam solved the problem

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