java.lang.NullPointerException at

This is a AO bug which is not fixed yet. As suggested in the bug report you may try to remove "sql_mode = NO_AUTO_VALUE_ON_ZERO" from DB configuration. But commenting this line may cause another problem, please check WLP-448You may also get this error when using MariaDB. MariaDB is not a supported database, please migrate to a supported database.

java.lang.NullPointerException at at com.atlassian.activeobjects.internal.EntityManagedActiveObjects.create( at com.atlassian.activeobjects.osgi.TenantAwareActiveObjects.create( at