SOST: Error while automatically determining the default internet domain

In transaction SOST, your are getting error, “Internal error: SO_OBJECT_MIME_GET Exception:2” while checking the email delivery status. In order to dig further details, you need to look onto the trace file. You can get the trace from transaction code SOST. Highlight the error email, select Send Request > Display Trace from the top menu. Then, select Choose (or F2) to view the trace. In this exercise, below error was found.

BCS->MIME_MESSAGE_GENERATE 	Error when generating MIME flow
BCS->MIME_MESSAGE_GENERATE 	Error while automatically determining the
				default internet domain
SO_OBJECT_MIME_GET		No MIME Document Received. Error Code: MIME_BCS
SX_GENERATE_NDR			Internal error: SO_OBJECT_MIME_GET Exception: 2

Solution

1. From the top menu of transaction code SCOT, select Settings > Default Domain. Define the default domain and save. You can resend the email again

Reference

SAP Note 487754