Board Thread:Support Requests - Getting Technical/@comment-35737668-20191001213611

Hello! I had deleted a template because I wanted to add a gallery and it wouldn't let me, and I recently just remade it. It looks great (I didn't understand how to put the gallery, if you could please help with this as well), but when you edit it does something like this:

Could you please show me how to fix it? Thank you for helping!  