error codes: 1-1000: are system errors (network problems, etc.) 4000-4999: are general connector errors (check ErrorMsg for more info on error) 5xxx (connector related problems) 5100: parsing an AXL response 5200: parsing an AXL request 5205: Incorrect Map object or keyword supplied to sendRequest(); 54xx - 55xx: (aimsMap and other object problems) 54xx (aimsMap): 5410: The supplied object is not of type <object>. 5420: Missing extent. 5421: No more features available. 5422: No layer available for this index. 5450: Layer was not found. 5451: Layer with same ID exists already. 555x (aimsLayer): 5520: Can not add field to recordset with records. 5521: Field can not be found.