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Hier is the whole package.

https://drive.google.com/file/d/1q0b1Jh ... share_link.

Thanks a lot. That index is on page 19.

Hello. That's my main code, and what doesn't work out is the label indexing. Instead of (2.2) is showing 2.-22 or 2.-21 if I delete the "/nn" inside of the last section's problem, which is inside the code and obivously not indexing anything.

\documentclass[14pt,twoside]{svmono_ava}
\usepackage ...