Sebastian
Hi,
There are many reasons for such a problem ... please read here this AKN article and see which step help you . >> Click <<
Regards,
Imad Habash
What is the process you are using to copy? are you using keyboard, are you right click etc.?
CADnoob
<<<<<When I try to copy and paste in AutoCAD 2013, it doesn't work...>>>>>>
1, First Enter new value for CLASSICKEYS <0>, to active copy paste.
2, Same BLOCK name cannot paste, you should PURGE first where you want to past.
or Explode the Block.
3, If its Xref file, you should be BIND, and copy past