Error message

• SQLSTATE[HY000]: General error: 3065 Expression #1 of ORDER BY clause is not in SELECT list, references column 'db519978856.t.field_category_name' which is not in SELECT list; this is incompatible with DISTINCT
• SQLSTATE[HY000]: General error: 3065 Expression #1 of ORDER BY clause is not in SELECT list, references column 'db519978856.t.field_category_name' which is not in SELECT list; this is incompatible with DISTINCT