Windows
File-too-long error when adding drawings to a CAD project
A CAD project hit a file-too-long error while drawings were being added. The issue was resolved by shortening the path through renaming the parent folders.
Killed once by someone from XL.net, on 2026-03-25.
Affects
Versions
- Windows
Apps
- CAD-related software
What you see
- File-too-long error appears when trying to add drawings to a project.
- The drawing cannot be added until the path is shortened.
Why it happens
Likely The parent folder path was too long for the drawing/project workflow.
When it shows up
Adding a drawing to a CAD project fails with a file-too-long message and the save/add path is deeply nested.
You are in this case if:
- File-too-long error shown during add-to-project.
- Very long parent-folder path for the drawing/project location.
1 fix below
The steps that killed it
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Someone from XL.net killed this on a Windows computer on 2026-03-25. It is written up from that one repair, so it cites no outside page.