SolidWorks BOM Template Corruption — Why 'hide1' and 'hide2' Appear and How to Fix Them
You open a SolidWorks drawing, insert a BOM table, and two extra columns appear with headers “hide1” and “hide2”. They contain no data, they don’t correspond to any custom property you’ve defined, and deleting them fixes the problem — until someone inserts a new BOM from the same template and they’re back. This is a BOM template corruption issue, and it’s specific enough that most Google searches for it return outdated forum threads pointing at deleted Dassault knowledge base articles. Here’s what’s actually happening and how to fix it permanently. ...