D10.1 alpha generates "Transaction isolation level" error

This tables are not from this module but the simplesamlphp library itself. I would suggest you put that in a separate database, there's nothing this module can do about it but you're welcome to report it to the simplesamlphp project.

Automatically closed - issue fixed for 2 weeks with no activity.

This should be fixed in the simplesaml 2.1 release: https://github.com/simplesamlphp/simplesamlphp/commit/8de020f7b2815b5d67...

Noting that these schema changes apply themselves automatically as users create new sessions via SAML.

As soon as a successful login occurs, the errors in the status report should clear up.