Diagnosis
You have entered an availability control eventfor a tolerance limit with message type Errormessage. This combination is not allowed.

System Response
The system will not post a document if availability control results inan error message. Since an availability control event is only triggeredafter posting a document, the event will never be triggered whencombining it with an error message.

Procedure
You can combine availability control events only with message typeswhich do not prevent the system from posting a document.