How to design a repeated instrument ODK survey sheet with already existing data on number of counts. and how to pull csv file and get choices as multiple responses?

1. What is the issue? Please be detailed.
Hello everyone, hope your well. Am designing an ODK survey sheet to collect data on two repeated group questions. one group requires to repeat 75 times and another group 16 repeats.
i had designed the form and started with begin repeats on each group but am getting this error message "you may need to use the indexed-repeated() function to specify which value you want.
i have tried to use indexed-repeated() function as shown in the attached survey form but this error message pops up *
Annex 14 CFR 5 Social_Network tool_v2.1 Mar 2023.xlsx (32.3 KB)

qn: what could be missing in the survey sheet and what could be solution to allow different repeated group question in odk survey sheet.

4. Upload any forms or screenshots you can share publicly below.
Annex 14 CFR 5 Social_Network tool_v2.1 Mar 2023.xlsx (32.3 KB)