Error pre-loading data

I am getting this error while pre-loading our questionnaire. This used to work before. I haven’t made any changes to these variables.

The variables are single-select questions. They are also identifying questions. They are used to locate the village. They have categories with numerical values and Name of the PHC/ Sub-centre or Village as label. We have pre-loaded the value of the PHC, SC or Village in their respective field.

This used to display the PHC name, Sub centre name and Village name to the interviewer on the cover. It used to work as below:

The values of the questions and those in the pre-load data are common.

Pre-load Data:

PHC Categories (PHCcode)
Screenshot 2020-09-01 at 4.53.58 PM

SC Categories (SCcode)

Village Categories (Vilcode)