I am just about to finish my first project with Magento and as always I have crashed something right before the finish line:
I'm using Magento 18.104.22.168 (Community Edition). When I go to Transactional Emails and press the "Add new template" button (I'm sorry for wrong translations, I'm using the German backend (which is quite a mess)) I do not get to the Add template page although it worked yesterday. What I see now is this:
I am not too experienced with PHP, but my guess is that there might be php Tags missing or a file needed for only this page is missing. I have of course tried googling for the solution but no results.