There is no item category assigned to account &1/&2

What causes this issue?

INCLUDE GLT2_GENERAL_1 OBJECT DOKU ID TX
INCLUDE GLT2_GENERAL_3 OBJECT DOKU ID TX
No item category could be determined for account &V1& in chart of
accounts &V2&.

System Response

INCLUDE GLT2_GENERAL_6 OBJECT DOKU ID TX

How to fix this error?

Assign an item category to the account specified. You do this in
Customizing for <LS>Document Splitting</> under
<DS:SIMG.SIMG_GLT0_T8G17.8AA8DF3FF0A0>Classify G/L Accounts for Document
Splitting</>.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.