Hello ofer,
If you fix a broken path and the Xref loads, but the fix does not stick after saving, the issue could be the result of a nested Xref.
A nested Xref is a file that is Xrefed into another file, and then that second file is Xrefed into your drawing – an Xref within an Xref. This issue is often the result of Xrefing a file into your drawing as an attachment rather than as an overlay.
When an xref is ATTACHED, it will follow that drawing when its xref'd into another drawing.
When an xref is OVERLAY, it will NOT follow that drawing when its xref'd into another drawing.
Using overlay will eliminate the possibility of having circular references.
This article may also be useful regarding REMEMBERFOLDERS (System Variable):
https://knowledge.autodesk.com/support/autocad/learn-explore/caas/CloudHelp/cloudhelp/2020/ENU/AutoC...
Select the "Mark as Solution" if my post solves your issue or answers your question.
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Emilio Valentin
