I'm not sure when exactly this problem first occured, but I think it might have come with Cura 4.9.
My printer is printing perfectly, until it suddenly stops in the middle of a layer. After slicing the file multiple times and also changing the 3D-Model a little, it still always is the same layer it stops in. Neither does the display freeze, nor does the Printer cool down, it just stops in the middle of the inner wall. I already took a look at the G-Code, but can't find anything (not that I am a Pro in inspecting G-Codes...).
I am using an SD-Card, and also had the problem with a prin