PSA &2 assigned to work center &1 can contain further bins

What causes this issue?

The assigned <DS:GLOS.3526C3DDAFAB52B9E10000009B38F974>supply area </>
was selected for the workplace entered. However, the production supply
area can be assigned to further workplaces. Therefore, the displayed
stocks can be above the stocks actually available in the workplace.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.