How To Fix WB883 - Variant &1 does not exist for version &2 of layout module &3

SAP Error Message - Details

• Message type: E = Error

• Message class: WB - Messages for assortment list

• Message number: 883

• Message text: Variant &1 does not exist for version &2 of layout module &3

What causes this issue?

The variant does not exist in the system. This means that the material:
cannot be assigned to the version using the variant in question
cannot be removed from the version using the variant in question

System Response

The variant cannot be assigned to the assortment.

How to fix this error?

Choose a valid variant.

Error message extract from SAP system. Copyright SAP SE.