Message Oracle QSM-00790 - the workload string cannot be modified or changed because it is being used by task string

ERRORthe workload string cannot be modified or changed because it is being used by task string
CAUSEThe user attempted to change or delete a workload that is referenced by an active task.
ACTIONRemove references to a workload from any tasks that reference that workload, unless the task is in its initial task state.