This can happen if a firewall rule (ModSecurity) on your server is triggered. It’s a common issue we see after launch, and it usually shows up as a 404 error when you try to save a page, post, or other content.
How do I fix it?
Contact your hosting provider (Liquid Web) and open a support ticket. Their team can check the server’s firewall to see which rule was triggered.
Some rules can be safely disabled if your site doesn’t need them.
Other rules (such as security rules for protecting against cross-site scripting) should remain in place. In these cases, the host may suggest a workaround.
In most cases, Liquid Web can resolve this directly—please let us know if you need any additional information from us.
What should I include in my support ticket?
When contacting Liquid Web, provide:
The server URL for your site (on Liquid Web)
The URL where the 404 error is happening
Your IP address - see: How do I find my IP address?
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