How To Fix WM388 - Not listed - decided by user exit

SAP Error Message - Details

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 388

• Message text: Not listed - decided by user exit

What causes this issue?

It was decided in a user exit that a material should not be listed for
an assortment.
More detailed information on this does not exist in the standard SAP
system.

System Response

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

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.