Suddenly I can no longer open SPPB pages in the backend.
Everything works fine in the frontend.
I'm using Joomla 4.2.3 and SPPB 3.8.8 and PHP 8.1 (already tested 8.0)
On another site with SPBB 3.8.8. it works properly.
Template is Shaper Helixultimate and 'Compress Javascript files' is off.
I don't use any other compression from JS.
I don't use CDN.
I don't use Akeeba Admintools.
I need access to the pages in SPPB to make adjustments.
When I click on the 'Pages' link, I get a spinner at the top of the screen and nothing else happens.
Questions:
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What's going on? And how do I solve it?
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I see that there is now a version 4.0.5 and that I can download SPPB4 and put it over version 3, but is that safe? Can I still edit the created pages of version 3?