WebService Escalate Interaction Problem

Hello all! 

Could someone help me with the problem below?

Im trying to escalate an Interaction and getting the following message:

"... SDXXXXX was succesfully updated",, but theres no IM beeing created, and the interaction is not beeing escalated

Anyone know what might be happening ?


SM Version: 9.20 > Screenshot of my current WS Configuration attached

Im using AddEscalateToIncidentInteraction from SM Webservice.