Fatal Errror when trying to Edit Sermon Post

Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, bool given in /homepages/8/d362707891/htdocs/clickandbuilds/CovenantChurch/wp-content/plugins/sermon-manager-for-wordpress/sermons.php:627 Stack trace: #0 /homepages/8/d362707891/htdocs/clickandbuilds/CovenantChurch/wp-includes/class-wp-hook.php(309): SermonManager->{closure}(482) #1 /homepages/8/d362707891/htdocs/clickandbuilds/CovenantChurch/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array) #2 /homepages/8/d362707891/htdocs/clickandbuilds/CovenantChurch/wp-includes/plugin.php(476): WP_Hook->do_action(Array) #3 /homepages/8/d362707891/htdocs/clickandbuilds/CovenantChurch/wp-includes/post.php(3391): do_action(‘before_delete_p…’, 482, Object(WP_Post)) #4 /homepages/8/d362707891/htdocs/clickandbuilds/CovenantChurch/wp-includes/revision.php(458): wp_delete_post(482) #5 /homepages/8/d362707891/htdocs/clickandbuilds/CovenantChurch/wp-admin/edit-form-blocks.php(223): wp_delete_post_revision(482) #6 /homepages/8/d362707891/htdocs/clickandbuilds/CovenantChurch/wp-admin/post.php(187): require(‘/homepages/8/d3…’) #7 {main} thrown in /homepages/8/d362707891/htdocs/clickandbuilds/CovenantChurch/wp-content/plugins/sermon-manager-for-wordpress/sermons.php on line 627
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