Diagnosis
You have set the kanbanindicator for the material specified in this item. If the kanbanindicator is set in a scheduling agreement, the material may not bemarked as MRP-relevant in the source list.
For this reason, the system checks the source list to establish whetherthe material has been marked as MRP-relevant. If it has, the systemattempts to remove this indicator. An error occurred during this checkor while the system was attempting to change the source list.

System Response
The system has reset the kanban indicator for the scheduling agreementitem.

Procedure
If you wish to use the kanban method:
Choose the entry " " (source list record is not relevant to MRP) in the"MRP" field of the source list
Set the kanban indicator in the scheduling agreement once again