How To Fix WLC_PARALLEL031 - Event &1 could not be triggered

SAP Error Message - Details

• Message type: E = Error

• Message class: WLC_PARALLEL - Load Distribution and External Parallel Processing

• Message number: 031

• Message text: Event &1 could not be triggered

What causes this issue?

The event &V1&, for which the follow-on job is waiting, could not be
triggered.

System Response

The function module &V2& delivered the return code &V3&. This means
that
CASE '&V3&'
WHEN '1'
the event ID is invalid.
DEFINE &EX_DOC& = 'BP_EVENT_RAISE BAD_EVENTID'
WHEN '2'
the event is not recognized.
DEFINE &EX_DOC& = 'BP_EVENT_RAISE EVENTID_DOES_NOT_EXIST'
WHEN '3'
no event ID has been entered.
DEFINE &EX_DOC& = 'BP_EVENT_RAISE EVENTID_MISSING'
WHEN '4'
the event could not be triggered for other reasons.
DEFINE &EX_DOC& = 'BP_EVENT_RAISE RAISE_FAILED'
WHEN OTHERS
an unknown error has occurred.
ENDCASE

Read the <DS:FX.BP_EVENT_RAISE BAD_EVENTID>
original description</> of the error that occurred.
ENDIF
DEFINE &EX_DOC& = ''

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.