Unkown output in the debug console

[Helper]

THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

On 07/01/2009 at 11:35, xxxxxxxx wrote:

User Information:
Cinema 4D Version:   11 
Platform:      
Language(s) :     C++  ;

---------
   Hi

I got a strange message after I changed the interface mode from Software to OpenGL. After that I clicked a few buttons and got this messages:

Trying to draw to closing window. Fix that!
Trying to draw to closing window. Fix that!
Trying to draw to closing window. Fix that!
Trying to draw to closing window. Fix that!
Trying to draw to closing window. Fix that!
Trying to draw to closing window. Fix that!
Trying to draw to closing window. Fix that!
Trying to draw to closing window. Fix that!
Trying to draw to closing window. Fix that!
Trying to draw to closing window. Fix that!
Trying to draw to closing window. Fix that!
... 'a few hundreds of them'

What is responsible for the messages? Cinema 4D or maybe my plugin? I have to say, I can't reproduce it because I don't remember what I did.

Cu