SAP Message EA312 - Segment &1 is unknown in Release &2/&3

Diagnosis
The system tried to read the IDoc segment '&v1&' for Basis release '
V2' and application release 'v3'.
The segment '&v1&' is not recognized in Basis release '&v2&' withapplication release '&v3&'.

Procedure
Check the release entered. The segment is recognized in the system.