MDB2 Error: constraint violation; _doQuery: [Error message: Could not execute statement] [Last executed query: EXECUTE mdb2_statement_mysql_2c7e9aab8df12a09824c969e5e1c6c3cb049f8d67 USING @0] [Native code: 1062] [Native message: Duplicate entry '2017-02-20 14:05:47' for key 'username']
EXECUTE mdb2_statement_mysql_2c7e9aab8df12a09824c969e5e1c6c3cb049f8d67 USING @0