Reinstall the Software/Application


Incomplete installation of a software/application may also result in “VBA runtime error 91.” Also, reinstallation of the software may also result in “VBA runtime error 91,” this is due to remnant files, DLL, and registry of the previously installed software. To fix this is to uninstall the software and run cleaner to delete remnant and temporary files.
Check this URL
https://www.errorsolutions.tech/erro...time-error-91/