I have Panelizer (2.x-dev Apr-29) setup together with Panels IPE. A default panel is provided for two content types. The default panel is exported using features and works like a charm until....
1. I create a node of type A or B
2. Click Customize this page (through IPE control)
3. Click Save
4. Click Customize this page (through IPE control)
5. Click Save
6. The panel is now emptied
If I between step 3 and 4 do a page refresh and then customize everything is still there.
Watchdog says "Notice: Undefined index: new-6 i panels_edit_display_form_submit()" after step 5 for each pane inside my panel that is supposed to be there.
I have debugged some and the pids being passed to the form submit on the second save are still the original ones from the default content. Since this no longer matches the pids retrieved from the database, the save fails.
I hope this was somewhat clear. Let me know if there is more information I can provide.