Account &1 &2 defined for tax postings only

What causes this issue?

You attempted to post to a G/L account to which only tax postings are
permitted.

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?

If you entered the account number manually and it is incorrect, correct
your entry.

Procedure for System Administrators

INCLUDE FICA_NA_FEHLERSITUATION OBJECT DOKU ID TX
If the account number was transferred by the system and is incorrect,
correct the entry.
If the account number was determined via account determination and the
account number defined in Customizing is incorrect, correct your
Customizing entry.
If the field <LS>Tax category</> in the G/L account master record is
incorrectly maintined, correct your entry in this field:
<DS:TRAN.FS02>Change G/L account</>.

Error message extract from SAP system. Copyright SAP SE.