Material &1 is not a procured service; refer to "Material" section

What causes this issue?

You want to enter a material on the <LS>Services</> tab page. However,
this material is not a procured service.

System Response

The system accepts the entry. However, the entry may not be visible on
the current screen.

How to fix this error?

Navigate to the <LS>Materials</> section of the application to verify
that the material was added correctly.

Procedure for System Administrators

You can customize the <LS>Components</> tab page so that it includes
both material and services.

Error message extract from SAP system. Copyright SAP SE.