Hello, I have a problem with my new 3d printer, I always get a solid horizontal line like this. I have asked several people, it is a problem with nozzle temperature, speed, and variable height layer. I have done all of that and the results are still the same. Please help me, I am very stressed getting results like this
Welcome to the forum.
Can you provide more information such as the printer you are using and filament type? Also providing the .3mf file is very helpful. Does the issue show up when printing one of the included models on the printer like the Benchy?
hello thanks for your help, after I searched in this forum it turns out I have to add wall value and change the order of walls setting to inner/outer and it worked. Thank you very much for responding 
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