Creating a Log for Cost Analysis 
Use
You can create a log while the system issues all inconsistencies relevant to costing.
Procedure
The screen Task list costing is displayed.
The dialog box Select operation appears.
You can choose Log ® Display to display different versions of the log.
The long texts for the individual system messages describe the problems that have occurred and offer solutions. You should eliminate the problem before releasing the maintenance task list and including it in the maintenance order.