Have a 3.10.0 sandbox server.
Installed successfully STACK even though it says compat up to 3.9 ... doesn't list 3.10.0 ...via GUI install from Moodle plugins (BTW, did note that the version that server list is a 3.1 ... not 3.10.
What are ownerships/permissions on your moodledata
STACK requires dependencies
Adaptive mode (multi-part questions)
Deferred feedback with explicit validation
Deferred feedback with CBM and explicit validation
When you upgraded ... did you also do anything with your moodledata directory?
Comment: 3.10.0 is a '0' subversion. Any good reason you need to run that version? 3.9.x is LTS and does some time to go before it slides.