double xref on itself that i can't detouch

hello

all of a sudden my DWG got the same dwg xreffed to itself and i cannot detouch it.... i'm getting the error as in the screenshot.

anyone has an idea on how to get rid of this extra twin xref?

the bizarre thing is that the DWG opens normally in other machines...

many thanks!

Have you tried using the ERASE command?.

please explain the procedure, do I have to right click on the xref and find an "erase" ?

now the double xref is not even right clickable....

ERASE like you would any other object.

There are a number of ways to execute this command.

ERASE like you would any other object.

 

There are a number of ways to execute this command.

no, it doesn't work like that.

please if you know this procedure, can you write it step by step,

cheers

There is an error message in your command line leading me to believe that there is some sort of LISP or other code running. It is too blurry for me to read clearly.

Please post the file.

Does the reference show up in the list on the other machines?