Posting date earlier than last phys. inv. (&)

What causes this issue?

You wish to post a goods movement that lies in the past. However, in
the meantime, a physical inventory was carried out for the material.

System Response

Depending on how the system is set, this message is either a warning
or an error message.

How to fix this error?

Find the physical inventory document for the material and check whether
any inventory differences were determined.
<DS:TRAN.MI22>Proceed</>
For example, inventory differences are possible if the physical
inventory was carried out although the material document
had not yet been posted.
In this case, you should carry out a new physical inventory after the
goods movement has been posted.

Error message extract from SAP system. Copyright SAP SE.