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I am fairly new to LaTeX, so please bear with me! :)
So my problem is the following: I have a LaTeX document with several subsections. I write in German, so I have to use Umlauts. Using them normally without the \"u trick worked fine, but now after line 246 LaTeX fails to compile because of the Umlauts. The first ~240 lines are ok though. I am using inputenc and fontenc. The document itself is in UTF-8, just like the setting for my inputenc.
I really have no idea what could have caused this, why the problem only occurs in a few lines, and why it does not apply to the whole document (and also why LaTeX stops compiling altogether!).
Thanks in advance for your help!