SugarCRM 7.9.2.0 what changed?
Upgrade out SugarCRM 7.8.2.2 to 7.9.2.0 works via the web upgrade-wizard.
However, once the upgrade is done, some of the SugarCRM modules no longer work.
Calendar - Shared.
Employees
Users
Server then has mysqld processes that spike to 100 % and never finish.
Tue Jan 28 16:44:01 2020 [3927][1][ERROR] Warning: Multiple links found for relationship users_team within module Users
Tue Jan 28 16:44:01 2020 [3927][1][ERROR] Unable to determine best appropriate link for relationship users_team