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[Disclaimer/Disclosure: I'm a support personnel at Overleaf.] If you need to compile your project using pdflatex (perhaps due to a journal publisher requirement), then your code just needs a few more changes: Assuming that you want to typeset your document in mainly Arabic with some English sections, you should load arabic as the last option for babel, or ...


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The problem here is that you selected the Babel option ngerman, and fancyref only supports german and english. It hasn’t been updated since last century, so it doesn’t know about Neue Rechtschreibung. You could use a more recent package such as cleveref, or perhaps hyperref together with varioref. Here is the same document rewritten to use cleveref (with a ...


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The skt package originally by Charles Wikner has two parts: The style file skt.sty and mf sources etc. A preprocessor named skt which is a separate binary. The former is available in TeX Live; if you're using TeX Live from the Debian/Ubuntu system then it is in the OS package called texlive-lang-other (so can be installed with sudo apt install texlive-...


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