Calling ORCH containing a Notification from form extension and receiving error

Name: Briggs, Brady
User: BRBTEST
Environment: JDV920
Tools Release: EnterpriseOne 9.2.7.2
Applications Release: E920

So i'm trying to set up a notification that is triggered off the 'Ok' button on the final receiving screen in our JDE system (P4312 form W4312A). Inputs from the receiving screen are used and the notification is built into an ORCH where i collect certain data via a Data Request. I then feed this into inputs for the notification. I 'subscribe' my userid to the notification in the Notification Manager where its set up for my Notification List AND my email address. When i run this from the ORCH Studio it works as expected by