This tool is designed to remove duplicate mark warnings from the Revit files.
After running the command, select whether to remove duplicate mark warnings from:
- Loadable families only.
- All selected families (need to select before running the tool)
After the selection you can erase the mark value or you can give the numeric value sequence.
Remove Duplicate Mark Warnings is priced at USD 10.00.
There's more information available on the Autodesk Exchange Apps website.
Related – Free Source Code to Remove "Duplicate Type Mark" Warnings in Revit