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Package babel Error: Unknown option 'french'. Either you misspelled it (babel) or the language definition file french.ldf was not found . See the babel package documentation for explanation. Type H for immediate help. ... l.4373 \ProcessOptions* ? Package babel Info: You haven't specified a language as a class or package (babel) option. I'll load 'nil'. Reported on input line 4422. (/usr/share/texmf-dist/tex/generic/babel/nil.ldf Language: nil 2023/02/13 3.86 Nil language \l@nil=\language4 )) (/usr/share/texmf-dist/tex/latex/amsmath/amsmath.sty Package: amsmath 2022/04/08 v2.17n AMS math features \@mathmargin=\skip50 For additional information on amsmath, use the `?' option. 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