I'm having a small problem since my computer was reinstalled by the IT of my office. The package tcolorbox which used to work can't be included anymore.







This code generates multiple errors, first of which is Undefined control sequence : \ExplSyntaxOn . Does someone have an idea what's wrong ?

I'm compiling using XeLaTex, on texmaker 5.1.2 on windows 10. Latex and PDFlatex generate the same error.

  • Show the log-file, but my guess that have an old latex and a new tcolorbox. Sep 15 at 10:19
  • Sorry for asking, but I can't attach a file to a post can I ? How do I post the whole logfile ? Sep 15 at 13:39

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