HU storage locations management only permitted with unique number assgnmt

What causes this issue?

Management of storage locations through handling units is only possible
if you have unique number asssignment of the handling unit
identification numbers.

System Response

<DS:DE.EXIDV_UNIQUE>External unique HU identification</> is not set and
the process has been terminated.

Procedure for System Administrators

Define <DS:SIMG.SIMG_HUMIDTVSHP>unique number assignment for handling
units</>.

Error message extract from SAP system. Copyright SAP SE.