Diagnosis
The current workflow was started from a remote system. An erroroccurred in this workflow. You then wanted to change the status of theproxy work item in the remote system to "error" as well using thefunction "Transmit error to proxy work item". This failed. The causesare either in the remote system or in the communication (RFC).

Procedure
Try again later. You can also log on to the remote system and try tofind an error there.