That one, I cannot recognize it. Beyond Us.
Please check on forum.joomla.org and contact with Hosting Support, probably something is "restricted".
In the meantime, I found that tip:
The warning indicates that your script attempted to call an OPcache API function from a location that is not permitted by the PHP configuration. The opcache.restrict_api directive (set in php.ini) limits which files or directories can access the OPcache API for security reasons. If your code is located outside of the allowed directory, this warning is triggered.