SAP Message WL873 - Work item &: Background job & cannot be changed (error &)

Diagnosis
An error occurred when changing the specified background job used forthe deadline monitoring of the work item.

System Response
The action was compensated by deleting the background job and thenrescheduling it.
INCLUDE NA_WF-ADMINISTRATOR OBJECT DOKU ID TX
Check whether the specified compensation measures were carried outcorrectly. If they were not, there is a risk that the system has aninconsistent state. The scheduled start of the specified background jobmust be compared with the next deadline for all work items in tableSWWDHMIN. If necessary, the scheduled background job must be deleted byhand and rescheduled by calling report RSWWDHEX.