If you encounter this error:
[Wed Feb 01 09:35:41.207947 2023] [:error] [pid 3141:tid 3578499467008] [client 100.100.100.5:52105] [client 100.100.100.5] ModSecurity: JSON support was not enabled [hostname "abc123.com"] [uri "/wp-load.php"] [unique_id "Y9p4vRf9OYMZvC7wdL4ZwQAAAk0"], referer:https://abc123.com
This means that ModSecurity has been replaced on the system with a third party version that does not support .json. If you are a Plesk user, contact Plesk as they will need to assist you in fixing the issue.