Error 500 Cropping image

Hi, I’m using this plugin for my site, but for some reason when I cut the image for one of the created sizes, I get a 500 error, I’ve already updated the permissions (777) to the “Uploads” folder. I attach the error.

load-scripts.php?c=1&load[]=jquery-core,jquery-migrate,utils,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-sortable,jquery-ui-draggable,jquery-u&load[]=i-tabs,underscore,jquery-ui-resizable,jquery-ui-button,jquery-ui-position,jquery-ui-dialog,quicktags,wp-a11y,wplink,jquery-ui-me&load[]=nu,jquery-ui-autocomplete,plupload&ver=4.8.1:4 POST https://nosfuimos.aviatur.com/wp-admin/admin-ajax.php?action=mic_crop_image 500 (Internal Server)

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