If you receive this error message when starting GMG OpenColor, there are two corrupt files in your database folder and must be deleted.
- Open your file manager.
- Browse to the GMG OpenColor database folder by entering %programdata%\GMG\GMGopenColor\DatabaseV2 into the address bar and confirming with Enter.
- Delete the file _document.
- Delete the file sub_object_files.
Now GMG OpenColor should launch successfully.
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