wp 5.2 sent error

Since WordPress 5.2 there is a built-in feature that detects when a plugin or theme causes a fatal error on your site, and notifies you with this automated email.

Error Details
=============
An error of type E_ERROR was caused in line 1748 of the file /home/name/public_html/wp-content/plugins/awesome-support/includes/file-uploader/class-file-uploader.php. Error message: Uncaught Error: Call to undefined function mime_content_type() in /home/name/public_html/wp-content/plugins/awesome-support/includes/file-uploader/class-file-uploader.php:1748
Stack trace:
#0 /home/name/public_html/wp-content/plugins/awesome-support/includes/file-uploader/class-file-uploader.php(1707): WPAS_File_Upload->process_ajax_upload(20, 39, Array)
#1 /home/name/public_html/wp-includes/class-wp-hook.php(286): WPAS_File_Upload->new_reply_ajax_attachments(39, Array)
#2 /home/name/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array)
#3 /home/name/public_html/wp-includes/plugin.php(465): WP_Hook->do_action(Array)
#4 /home/name/public_html/wp-content/plugins/awesome-support/includes/functions-post.php(1086): do_action(‘wpas_add_reply_…’, 39, Array)
#5 /home/name/public_html/wp-content/plugins/awesome-support/includes/functions-post.php(650): wpas_insert_reply(Array, 20)
#6 /home/name/public_html/wp-content/plugins/awesome-support/includ