Hi there, @SolomiyaKuzmich ...

I am assuming that you are trying to use the process outlined in the following Guide to upload your profile picture to your Canvas account:

How do I add a profile picture in my user account?

If these are the instructions you are using, you might also try this...

1. In Canvas, click on "Account" >> "Files".  How do I view my user files?
   • Check to make sure that at the bottom of this screen, you haven't exceeded your file storage limit.  For example, mine says "10% of 50 MB used".
2. Within the "My Files" folder, click on the "profile pictures" folder.
3. Delete the image in the "profile pictures" folder (if an image exists in this folder).
4. Use the I linked above on how to add your profile picture to see if you can re-upload your profile picture.

If you are still having difficulties upload an image to your profile in Canvas, you may need to reach out to Canvas Support.   You can do this via the "Help" global navigation menu in Canvas.

How do I get help with Canvas?

Hopefully one of these options will work for you.  Please keep us posted here in the Community.  Thanks!