not working

hai,
i install your plugin, but is not order me the posts in category page,
this is the default category page, i dont create a new page, i use the default of worpdress,

i create a ACF with name “artist” or in hebrew “??????”,
i create a TEXTONOMY of “artist_category”,

in the category page i want to order the posts , i see the posts in admin panel and i order like i want but is not change in category page, i need to add shomting to functions.php? i do shomting worng ?
i need use your plugin is so beatifull and good for me but is not working to the end…
i I ask for help this is important for me !!!
tanks so match ??

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