Diagnosis
Assembly tpye &V1& is not a service assembly type and is thereforerelevant for the transfer of requirements. However, schedule line &V3&has been determined for item &V3& and transfer of requirements isdeactivated.

System Response
The system stops any further processing of assemblies and selectsexisting assembly orders for the schedule line for deletion.

Procedure
Check your settings.
Was the Requirements/assembly field inadvertently deactivated forschedule line category &V3& while you were maintaining the scheduleline categories?
Is schedule line category &V3& the right one for this item?
Is order type &V1& a service-assembly type? If so, change the settingsin Customizing for order types accordingly.