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I'm having problems with the tasks package.

Just with a very simple code:

\documentclass{report}

\usepackage{tasks}

\begin{document}
hola
\end{document}

I get this log-file

! LaTeX3 Error: Unknown argument type 'b' for the command '\environment
(LaTeX3)        tasks'.

For immediate help type H <return>.
 ...                                              
                                                  
l.771 \DeclareInstance
                       {tasks} {alphabetize} {default} { }
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  • 2
    Update xparse package. – muzimuzhi Z Sep 16 at 8:53
  • In fact, l3packages, but IT WORKS!!!! – Tito Eliatron Sep 16 at 8:56
  • 4
    I’m voting to close this question because it has been resolved by updating l3packages. – muzimuzhi Z Sep 16 at 9:56

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