The OPENSCSReturnEnum describes the possible return status from an OPENSCS Method call.
The OPENSCSReturnEnum is defined in Table 62.
Table 62 – OPENSCSReturnEnum values
| Name | Value | Description | 
| Undefined0 | 0 | Undefined value, should never be seen. | 
| NoError1 | 1 | There were no errors in processing the method. | 
| InvalidSerialNumberCollection2 | 2 | The Serial Number Collection ID does not match a Serial Number Collection managed by the server. | 
| InsufficientSerialNumbers3 | 3 | Fewer Serial Numbers are available from the pool, then are requested. | 
| InvalidSerialNumbersFormat4 | 4 | The serial number format is not known or defined in the server. | 
| InvalidRequestToken5 | 5 | The Request Token has a value not understood by the server. | 
| InvalidSelectionCriteria6 | 6 | The Selection Criteria is not known or defined in the server. | 
| UnableToAcceptSerialNumberEvents7 | 7 | The server cannot accept Serial Number events. | 
| UnableToAcceptLabelEvents8 | 8 | The server cannot accept Label events. | 
| UnableToAcceptSIDEvents9 | 9 | The server cannot accept SID events. | 
| UnknownAggregationSID10 | 10 | The SID of the aggregation for packing or unpacking is unknown. | 
| InsufficientPrivilegeToExecute11 | 11 | The server has determined that the client does not have sufficient privilege for the method to execute. |