I finished to write my first POST Api, but I get an error when I execute it and it call a stored procedure.
-$exception {"OUT or INOUT argument 1 for routine mydb.storedprocedure is not a variable or NEW pseudo-variable in BEFORE trigger"} MySqlConnector.MySqlException
-$exception {"OUT or INOUT argument 1 for routine mydb.storedprocedure is not a variable or NEW pseudo-variable in BEFORE trigger"} MySqlConnector.MySqlException