How To Fix V1009 - Material &1 is managed as customer material &2 (please check)

SAP Error Message - Details

• Message type: E = Error

• Message class: V1 - Verkaufsbelegbearbeitung

• Message number: 009

• Message text: Material &1 is managed as customer material &2 (please check)

What causes this issue?

You have changed either the <LS>Customer material</> field or the
<LS>Material</> field. The 'dependent' field was not redetermined.

System Response

The system determines the 'dependent' field only when there is no value
in the field. When you change the <LS>Customer material</> field, for
instance, the <LS>Material</> field is dependent. When you change the
<LS>Material</> field, the <LS>Customer material</> field is dependent.

How to fix this error?

In order for the system to automatically redetermine the 'dependent'
field when you are changing something, you must delete the field's
contents.

Error message extract from SAP system. Copyright SAP SE.