PHP Error

We’re getting the following error. A refresh will make the page load normally.

All-in-One Event Calendar: rmdir(D:\inetpub\vhosts\…\httpdocs): Permission denied @ D:\inetpub\vhosts\…\httpdocs\wp-content\plugins\all-in-one-event-calendar\lib\theme\compiler.php:212 #2

https://wordpress.org/plugins/all-in-one-event-calendar/