Database error: Invalid column name 'reg_type'

When using Request, the server reported an error: “ Invalid column name ‘reg_type’

Detail in error:

<hierarchy_select max_string_length="64">
  <attrs>
    <attr>request.request_id</attr>
    <attr>request.req_type</attr>
    <attr>request.req_status</attr>
    <attr>request.cust_prob_descr</attr>
    <attr>request.place_id</attr>
    <attr>place.name</attr>
    <attr>place.place_id</attr>
    <attr>request.created_dttm</attr>
    <attr>request.priority</attr>
  </attrs>
  <primary_table>request</primary_table>
  <from>
    <table>request</table>
  </from>
  <authentication>
    <session_info>
      <token_id>z75X6xGDQWEYpJuZlUBn31ZNKQXgZ6wJEA6iwhnWhUS7tmcoL2Ku+/8LZ8DUDCoOAZpvy80uOY0VLs9z5R3H4NHvq7rR3LWjIi12UUd0ZxeipO5Wi+yNumG0y0jRvccZ</token_id>
      <session_id>2O60dSXKWS294jWCPhRUl7FqE0Fzph27dg+g3OdkPrnT6OkTCaXYKf9/GbiN9sim6YD9hk+YcuMfU+qOCYJTkw==f4+rP3Hg3YzcyEtxtEvETw==g3YW/QTPxrpcEtJ4CMAomQ==</session_id>
      <tenant_name>
      </tenant_name>
      <workstation>
      </workstation>
    </session_info>
  </authentication>
  <where>
    <data_constraint>
      <constraint>
        <left_operand>request.status</left_operand>
        <operator>EQ</operator>
        <right_operand>OP</right_operand>
      </constraint>
      <parens>
        <constraint>
          <left_operand>request.internal_type</left_operand>
          <operator>NE</operator>
          <right_operand>W</right_operand>
        </constraint>
        <constraint>
          <left_operand>request.internal_type</left_operand>
          <operator>NE</operator>
          <right_operand>R</right_operand>
        </constraint>
      </parens>
    </data_constraint>
    <join_constraint>
      <constraint>
        <left_operand>request.place_id</left_operand>
        <operator>left_outer</operator>
        <right_operand>place.place_id</right_operand>
      </constraint>
    </join_constraint>
  </where>
  <order_by>
    <asc>request.reg_type</asc>
    <asc>request.reg_type</asc>
  </order_by>
</hierarchy_select>

<request_hierarchy_select_result>
  <result type="Exception">
    <error>
      <system_error>
        <severity>ERROR</severity>
        <message>The database command failed and reported the following error: Invalid column name 'reg_type'.</message>
      </system_error>
    </error>
  </result>
</request_hierarchy_select_result>