Issue:Errors in the logs suggest a PHP memory issue:
2019-06-10 14:11:56 PHP Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 7809642394472963224 bytes)
As far as we are able to tell this
specifically only impacts
PHP 7.2 on
Windows Plesk servers. We have raised this with Plesk directly who have investigated and confirmed this is a bug with PHP:
https://support.plesk.com/hc/en-us/articles/360024306453-PHP-errors-after-Plesk-update-PHP-Fatal-error-Allowed-memory-size-of-536870912-bytes-exhausted-tried-to-allocate-999999999999-bytes-
Solution:
Switching the PHP Version of the site to either 7.1 or 7.3 should resolve any issues. You can do this in plesk Under PHP Settings for the site in plesk:
