You cannot post differences, as serial number requirement is set

What causes this issue?

You want to post inventory differences for a physical inventory document
in which serial numbers must be assigned to at least one item and
inspection lot management is active for the material concerned.
IF &[SWITCH]S4H_DOCU_ON_PREMISE& = 'X'.
In this case, the inventory differences cannot be posted using the
physical inventory transactions
<DS:TRAN.MI07>MI07</>,
<DS:TRAN.MI08>MI08</>, and
<DS:TRAN.MI10>MI10</>.
ENDIF.

System Response

The system cannot post the physical inventory document if it contains
items that require a serial number.
IF &[SWITCH]S4H_DOCU_ON_PREMISE& = 'X'.

How to fix this error?

Before you can post the physical inventory document, you have to delete
the items that require a serial number.
You can then manually post the items that require a serial number.

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

In the physical inventory document, delete the items that require a
serial number and post the document:
Make a note of the items affected in the physical inventory document,
along with the inventory differences that are to be posted.
To delete these items from the physical inventory document, choose
<DS:TRAN.MI02>Phys. inventory doc. -> Change</>.
Post the physical inventory document.
Post inventory differences manually for the items that require a serial
number:
RESET N1
In Customizing for Inventory Management, in the step
<DS:SIMG.SIMG_CFMENUOLMBOMBQ>Copy, Change Movement Types</>, you have
to make the following settings for movement types 711, 712, 713, 714,
717 and 718:
Select all the chosen movement types, and under <LS>Navigation</>,
choose the step <LS>Allowed transactions</>. This takes you to the
overview screen for changing the allowed transactions.
Choose <LS>Edit -> New entries</>. The system displays the overview for
entering transactions.
Enter the movement types listed above, and assign the transaction code
<ZH>MIGO</> to each movement type.
Choose <LS>Goto -> Back</> to return to the <LS>Definition of New
Movement Types</> overview.
Save your entries.
You must also hide the 'WMS storage bin' field for the movement types
listed above.
From the Inventory Management menu, choose <LS>Goods movement -> Goods
receipt -> Other</>. The system displays the initial screen.
Depending on the inventory difference, choose the relevant movement
type, along with the plant and storage location data. Example: During
the physical inventory, you found out that 2 pieces of a material are
missing. In this case, you have to post the inventory difference using
movement type 711.
Choose Continue to go to the overview screen.
On the overview screen, enter the materials in question, along with the
inventory differences you have noted.
Post the document. You have now posted the inventory differences, and
simultaneously created the corresponding physical inventory documents.

Procedure for System Administrators

ENDIF.

Error message extract from SAP system. Copyright SAP SE.