Board Thread:Support Requests - Designing Your Wikia/@comment-25228633-20150427220914

I recently became the admin on the Sims Freeplay Wiki, and I've decided to give it a bit of a makeover. I created a new graphic wordmark, and it's a .png and the file size is 250x65, and when I tried to upload it, a pop up came up. What did I do wrong?  