Alternative bill of material is not valid

Message type: E = Error

Message class: CM - Task list messages: Material component allocations

Message number: 014

Message text: Alternative bill of material is not valid



What causes this issue?

The alternative bill of material you want to select for component
allocation is not valid on the key date.


How to fix this error?

Select an alternative which is valid on the key date.

Error message extract from SAP system. Copyright SAP SE.