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CAD tip CAD tip # 5202:

Question

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A
If you want to attach or overlay several Xrefs with similar names containing multiple dots (e.g. AAA.BBB.DWG), you will probably get an error mesage:
  
Error: Possible circular reference to current drawing. *Invalid*.
To avoid this problem rename the files.
ACAD2000
100% *CAD
18.9.2006    13128×  
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this tip shared by ARKANCE experts applies to: AutoCAD 2000 ·

See also:
Tip 14799:7 quick methods to upload your project to Autodesk Docs (Forma Data Management)
Tip 14753:Overview of startup parameters for acad.exe and acadlt.exe (runstring)
Tip 14532:Two options for inserting images into DWG in AutoCAD Web app.
Tip 14310:Easy graphical display of the project or assembly file structure (hidden function).
Tip 14281:Mapped network drives (S:, T:, X:, etc.) are not available in my CAD application.
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