Help needed for redeploying form

I have been facing an error and am not able to redeploy my form, this is what it says

your form cannot be deployed because it contains errors:

Unexpected KoBoCAT error 400: b’{“detail”:"ODK Validate Errors:\n>> XForm is invalid. See above for the errors.\n:

Invalid calculate for the bind attached to \“${calculation_24}\” : Couldn't understand the expression starting at this point: …ount-selected (\xcd\x8e${q75}) in expression count-selected ($ {q75})\n\nThe following files failed validation:\n${tmp4vl_os5y}\n\nResult: Invalid"}’

please help .

Welcome to the community, @lepcharongnyoo! Maybe you could validate your XLSForm through this online validator to find the issue affecting your redeployment/deployment. Looking at your error message, I can guess the issue is within your calculate question type.