Sense code 0820

Control vector error: Data for the control vector specified by the target network address and key was not valid.

Bytes 2 and 3 following the sense code contain sense-code-specific information.
0000
No specific code applies.

VTAM® hint: If this sense code is set in response to a SETCV RU, then the MAXOUT value is incorrect. It must be between one and 127, or equal to one or 127.

0001
In a SETCV defining an intra-FRSE PVC subport set, one or both of the primary subport partners that define the subport set are not defined.
0002
In a SETCV defining an intra-FRSE PVC subport set, a specified element address does not define a subport within a subport set, or is defined more than once in a subport set.
0003
An element address of an intra-FRSE PVC subport set received in a SETCV was found to be already associated with another subport set.