Autocad xref not updating
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.
Auto CAD might be losing the Xref paths, or they may be unresolved, not referencing correctly, or simply not showing up.
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