Hi there!

Thank you for bringing this to our attention, and I sincerely apologize for the inconvenience caused.

To assist you more effectively, may I kindly request temporary administrative access to your site? This will allow me to thoroughly investigate and resolve the issue for you.

Before sharing the credentials, I strongly recommend taking a complete backup of your site to ensure all data remains secure.

Looking forward to your response.

Best regards

Hey Atick!

i've created a site backup and share the credentials in the hidden content. Please be carefull with the site, it is a really important project of mine.

Thank you for your help.

Daniel

Hi Daniel,

Apologies for the inconvenience.

I have checked your site but was unable to reproduce the issue on our end. Could you please provide a bit more information so we can investigate further?

Are you experiencing this issue on any specific page, or does it happen on all pages?

Does it occur after the editor has been open for a certain amount of time before clicking Save?

Which language are you using when logging into the administrator panel?

These details will help us better understand the situation and identify the root cause.

Looking forward to your response.

Best regards

This should help, I set 40 min (was 15min), but you can try 60min.

Hey guys!

Atick! I've created a video of the admin site and how the problem appears, i think thats the best way to show.

Paul! Thanks, i've tried your idea as well, didnt help unfortunately.

I am using brave browser, and all cache cleared. Also i did this before...i mean i copied a collection before and the saving was working fine.

I also tried to install a previous version of SP Page builder but the problem was still there.

I installed something called "UT Addons for SP Page Builder" but now its disabled and the problem is still appears.

Changed the backend language to English for you.

Hello,

Thank you for contacting JoomShaper Support.

We have investigated the 404 error you encounter when saving pages with multiple addons in SP Page Builder and confirmed that the issue is not related to SP Page Builder or Joomla.

Findings

• SP Page Builder is functioning correctly.
• PHP and Joomla configurations are properly set.
• Pages with small POST data save successfully.
• Pages with larger POST data fail with a 404 error.

This behavior indicates a server-level POST request size limitation, enforced by ModSecurity or a Web Application Firewall (WAF). In such cases, the server masks the actual error (413 Request Entity Too Large) as a 404 for security reasons.

You can verify this behavior using the following test script: https://kkonouz.com/simple_post_test.php Currently, only POST requests up to approximately 500KB succeed, while larger POST sizes fail. Larger POST requests should also work, which further confirms a server-side restriction.

Required Action

This issue can only be resolved by your hosting provider.

Please contact your hosting support team and request them to increase the following limits:

• SecRequestBodyLimit → at least 25MB
• SecRequestBodyNoFilesLimit → at least 25MB
• LimitRequestBody (Apache/LiteSpeed) → at least 20MB

Your PHP settings are already correctly configured, so no PHP changes are required.

Reference Documentation

Your hosting provider can refer to the official SP Page Builder documentation below: https://www.joomshaper.com/documentation/sp-page-builder/troubleshooting#413-request-entity-too-large

Additional Notes

This is why the issue does not occur on localhost environments, which typically do not enforce strict ModSecurity rules.

Once your hosting provider applies these changes, SP Page Builder will save large pages without any issues.

If the problem persists after the changes, please let us know with confirmation from your host.

Best regards

Hey Atick!

They said the limit is already 35MB or bigger so that shouldnt be the problem. I'm fighting with them further to make them to check it again.

Until then, have you got any other idea or suggestion that i should try?

Thx