Event Error

[Kobi Sasson]

Hi

Can Someone help me with this issue
I am testing event ZRELEASESTEPCREATED for object ZBUS2012 in SWUE
when i checked in the trace display I saw 3 line
1 event started
2. Feedback after error
     with this details:
                Receiver FM          SWW_WI_CREATE_VIA_EVENT_IBF
RFC Destination
                Check FM
                Receiver Type FM
                Message              The mandatory input parameters of the
workflow must be set
3. deactivate - in the workflow the event link deactivate

How can I slove this problem ?

Thanks Kobi
Regards