It is working here , and it should be without acad_dim like this .
Thanks Tharwat for the reply.
Thats my problem. I have a ton of lsp with "acad_<command group>.<command>".
It is working on all versions untill 2012. In 2013 its now unknown command.
Is there anything that I'm missing or do I really need to edit all programs 1 by 1?