I've installed advanced module manager on a J4 site in development.
Since the install, I cannot edit anymore SP Page Builder modules. When I want to edit a addon, I have a white page.
I did so but I don't see any errors (or I'm not able to see them) and I have no error log (but a jcontroller.log - Checking edit ID com_advancedmodules.edit.module.176: 1 Array ([0] => 163 [3] ...).
Note that I can edit an image add-on in a SP module, but can't edit text add-ons.
Can you give me (super) admin and (s)ftp access so I can take a look?
And tell me on what url I can see/reproduce the issue.
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I really don't see what Advanced Module Manager has to do with this.
I disabled the Regular Labs Library and Advanced Module Manager system plugins, and opened the module in the core module manager, and it reacts the same.
So it looks like something else is causing this.
I recommend you ask the SP Page Builder developers for support on this.
I confirm it was a SP Page Builder bug.
It was just a coincidence I noticed it right after installing Advanced Module Manager (great extension, by the way).
Thanks a lot for your time and sorry for the inconvenience