hmm, i am not 100% sure i follow. Do you have a screenshot or a live site we can look at to make things more clear?
As soon as anyone mentions uppercase/lowercase, it is important to note that if you are using mac or windows to build locally, you are working on a case insensitive system. Our build network, however, runs on linux which is a case-sensitive system.
More on that here. I’m not 100% convinced the two are connected, but it is good to rule it out.