Could not evaluate MaskDisplay commands of block undefined variable or class

Hi,

please help me. when i want to put a image as mask on '3 phase two winding transformer' simuluink block i will get this error.

"Could not evaluate MaskDisplay commands of block undefined variable or class"

[Sanman]

Hi,

Could you share the command you're trying to put an image on the mask? Also, I'd like to know the MATLAB release version you're using.

Thanks.