Just to confirm the solution explicitly to those who are seeing this (as I did) - the root cause is that /etc/replication is missing the 'treeactivation" folder. If you export/import from a working 6.1 instance (or simply recreate the folder in CRX with correct props), the problem goes away.  See at...

Hi Mark,I actually solved this for 6.2 - the "ContextHub" component needs to be installed on the page for the Author mode to appear in Edit mode list.  I did this with a Sightly resource include on my page like so:<div data-sly-resource="${'contexthub' @ resourceType='granite/contexthub/components/c...

Hi Mark,Did you ever figure this out? I am on 6.2, but have the same problem with my custom site.regards- Tom