The reference operation set & you selected is not valid

What causes this issue?

The reference operation set you selected is not valid.

System Response

The reference operation set will not be transferred.

How to fix this error?

The reference operation set does not meet the selection criteria.
Check whether:

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

o The reference operation set is valid for the date
o The lot size is within its validity range
o The reference operation set is released for production
o The header unit can be converted to the order unit of measure

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.