I have the same error, I obtain this in debug mode:
              
               
                
              This error appears, and RoboDK will close automatically.
I'm running win11 x64 , robodk version is 5.5.3.
             
            
                Code:
               10:16:19.964 (+ 115630 ms):警告:QCoreApplication::postEvent: Unexpected null receiver
               I'm running win11 x64 , robodk version is 5.5.3.
              
              
