Storage bin &1 must only exist in one inventory area

What causes this issue?

You have tried to assign a storage bin to a different physical inventory
area, in addition to the one it is already assigned to. This means that
you have defined several partly overlapping activity areas for
the physical inventory activity.
To perform the physical inventory without errors, you must only assign
a storage bin to one physical inventory area within a warehouse number.

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?

,,
Make sure that a storage bin is only assigned once to an physical
inventory area, by redefining the physical inventory areas.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.