MDB2 Error: constraint violation; _doQuery: [Error message: Could not execute statement] [Last executed query: EXECUTE mdb2_statement_mysql_2e44eb8dd5f1af08b568a877c2c1c37d704258d7d USING @0] [Native code: 1062] [Native message: Duplicate entry '2017-02-24 22:52:15' for key 'username']
EXECUTE mdb2_statement_mysql_2e44eb8dd5f1af08b568a877c2c1c37d704258d7d USING @0