The owner had already reinstalled the software twice. I arrived on-site and skipped the obvious steps.

Bookmark this guide. Share it with your team. The next time that red error box appears, you will know exactly what to do—and you will be back to finding OEM parts in under five minutes.

By systematically following this guide – starting with file integrity checks, moving through permission repairs, and ending with manual JSON editing – you can restore full functionality within 15 to 30 minutes.

: Locate the config.xml or tecdoc.ini file in the installation directory. Ensure the path to the database (SQL Server or local files) is correct.