Error in Workflow SWF_RUN535
we are having an issue in workflow, at a step where the system must send a notification (email), leveraging rule 00000168 (superior).
Can anybody advice / give some hints?
Error '9' when calling service 'SO_OBJECT_SEND'
Message no. SWF_RUN535
A problem occurred when calling a service (for example, sending a mail). The service has transmitted the error code '9' to the calling program.
Refer to your workflow system administrator.