The following table gives the values for error code 1 and error code 2 that can be returned on the Open(SSCP) Error Response.
| Error code 1 | Description | Error code 2 | Description |
|---|---|---|---|
| 0 | No servers found. | CSRENOSR (0) | No servers found. |
| 0x0053 | LU not verified. | CSRECBSH (3) | LU not verified. |
| 0x0055 | SSCP connection already open. | CSRECBSH (3) | Control block / resource shortage. |
| 0x0057 | No LU in group free. | ||
| 0x0812 | No free session control block available. | ||
| 0x1001 | A connection activation failed recently. | ||
| 0x1002 | The connection is inactive. | ||
| 0x1008 | The link service is active remotely. This error return code is not supported by this level of SNA Server. | ||
| 0x1009 | The SNA Server is active, but the connection on which the requested LU is defined is not active. | ||
| 0x100B | The connection is in the process of activating as the result of another Open(SSCP) or operator activation or recovery from an outage. | ||
| 0x1010 | The connection is active, but an ACTPU has not yet been received. | ||
| 0x1011 | The connection is active, but an ACTLU has not yet been received. | ||
| 0x0063 | Unrecognized Open request. | CSRESERV (1) | Service not present. |
| 0x0A0E | LU / LU group not found in configuration. |
Note that the error code 1 values 0x1001 to 0x1011 are returned when the Open(SSCP) Request specifies a nonforced Open. They do not indicate errors, but indicate that the LU-SSCP session is not active. The application can retry the Open(SSCP) Request specifying a forced Open, in which case the local node will attempt to activate the connection if possible.