List incomplete due to missing authorization

What causes this issue?

The materials list produced is incomplete since you have also specified
plants, in which you have no authorization for displaying materials, as
selection criteria for the plant.

System Response

Materials from these plants are therefore not displayed.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.