Hi,
I'm exporting a drawing to a TIFF format.
It usually works well, but sometimes when there is a projection angle in the drawing:
 

It is exported as 

(The image size is the same, it changed when i uploaded it to the forum).

Sometimes the image is distorted and sometimes I just get a blue rectangle instead.
This doesn't happen all the time, but it does happen. 

When I double click the image of the projection