Fabrice Couvreur via ntg-context schrieb am 28.12.2021 um 15:34:
> Hi,
> In my file cours_premiere.tex if I indicate
>
>  \startbodymatter
>       \component[probabilites.tex]
>  \stopbodymatter
>
> I get the following error message
>
> tex error     > tex error on line 49 in file ./cours_premiere.tex: 
> Undefined control sequence \pgfmath@settrigformat
>
> <inserted text>
>   \pgfmath@settrigformat
>     \pgfmath@settrigformat \pgfmath@settrigformat
> <line 3.49>
>         \stopbodymatter
>
> 39                [criterium=all,
> 40                interaction=all,
> 41                 alternative=c]
> 42
> 43 \stoptitle
> 44
> 45         \stopfrontmatter
> 46
> 47         \startbodymatter
> 48 \component[probabilites.tex]
> 49 >>      \stopbodymatter
> 50
> 51
> 52     \stopproduct
> The control sequence at the end of the top line of your error message 
> was never
> \def'ed. You can just continue as I'll forget about whatever was 
> undefined.
> mtx-context     | fatal error: return code: 1
>
> TeX Output exited abnormally with code 1 at Tue Dec 28 15:31:31
>
>
> On the other hand, if I indicate
>
> \component[probabilites.tex]
>
>  the file compiles without error.

The error is about tikz/pgf and the mentioned command comes from 
pgfplots. To investigate further you have to create a minimal (non) 
working example.

Wolfgang