Scales from xrefs create excessive scale list
If you use xrefs regularly, scales from your xrefs can start to appear in your current drawing like this: 1″ = 30-0″_XREF_XREF_XREF
Workarounds: To reset the scale list in your drawing, run the following at your command line:
-scalelisteditRYE
To reset the scale list in every drawing that you open, put the following line into your acaddoc.lsp file.
(command "-scalelistedit" "R" "Y" "E")
First Appeared: AutoCAD 2008
Status as of 2008 SP1: Patched