403 error in UI when trying to change Excel connection to upload a new file

403 error in UI when trying to change the Excel connection to upload a new file

This article describes what you should check when encountering a 403 error when trying to change an Excel connection to a new source file.

Possible root cause
The error can be linked to the use of an Excel sheet containing clickable fields and macros. When an Excel file containing clickable fields or macro that increase the file's OWASP score, leading to it is rejected by the system

Resolution
The best approach is not to use files with buttons/macroses as data sources. Therefore, remove all the sheets that contain any clickable fields or macros from the Excel file and try to upload them again.