Created attachment 128228 [details] Screenshot of the error SUMMARY When I try to save png file I got "unknown error" nothing else. STEPS TO REPRODUCE 1. I saved the image as BMP, just to see if it works - Yes it works. OBSERVED RESULT EXPECTED RESULT SOFTWARE/OS VERSIONS Linux: 20.04 LTS Qt Version: 5 ADDITIONAL INFORMATION http://zapryanov.faith/cloud/index.php/s/kn7iDWGk3dyjLfE
*** This bug has been marked as a duplicate of bug 417382 ***