I've just installed the latest SP Page Builder update with Joomla 4.4.1. Everything has been working until this latest update.
I have created a new Site Module. Very, very simple. Just a piece of text with a colored heading. I always use the back-end editor (the front-end editor is useless to me). I saved the new module. The text appears on the web site perfectly.
However, I wanted to make adjustments to the layout. So I opened the Site Module and 'Edit with Backend Editor'. The page opens and the content is missing. No text. No heading. No section. Just the words 'Start Creating Your Page'. But it already exists, and is still visible on the live site.
If I select 'save' or 'save and close', the text then disappears from the live site.
So at the moment, I can only add and delete content. But not edit existing content.
I have considered the possiblity of a timing issue with the web server but that seems unlikely to be the cause.
I have tried a page refresh (clearing browser cache) but this does not fix the problem.
Also note, other site modules also appear empty when opened for editing. This is very worrying!