Fix: There Was a Problem Changing Your Cover Photo – Google+ Plus

While trying to change your Google+ Profile cover photo, you may receive an error after each attempt to save a new photo you uploaded. The error persists even if you click Retry.

The photo you upload must be at least 480 x 270 with a recommended size of 1080 x 608 pixels. If your Google+ cover photo is not between these sizes, you will not be able to save your cover photo successfully.