This message means that the CAD sheet contains an element rotated at an angle that is not a multiple of 90 degrees. Presently, we do not handle this. Please send us examples of how you use this feature of the CAD or Composer system.
--Preprocessing drawing 3400313A.CAD Non-orthogonal rotation: 225 degrees at 2119,2700 Non-orthogonal rotation: 225 degrees at 2119,2660 Non-orthogonal rotation: 225 degrees at 2119,2620
This error can be built directly into Hyperview. For more information, see the article Building error reports into the M14.