Field found in Material Master Sales Organization 2.
To define the General Ledger Posting:-IMG -> Sales and Distribution -> Account Assignment/Costing -> Revenue Account Determination -> Assign G/L Accounts
With this link, the material that used this account assignment group will be posted with the desired G/L accounts during Billing.
User will not be able to Release the billing document to Accounting if this is not setup.
If you happened to assign it via Cust.Grp/MaterialGrp/AcctKey, then you can let your user use this report to check the material assignment.
* Transaction code VKOA
REPORT ZMATNR_AC_ASSIGN LINE-SIZE 132 NO STANDARD PAGE HEADING LINE-COUNT 044(001).
TABLES: MARA,
MVKE, "Sales Data for Material
C001. "Cust.Grp/MaterialGrp/AcctKey
SELECT-OPTIONS: S_MTART FOR MARA-MTART DEFAULT 'DIEN',
S_MATNR FOR MARA-MATNR,
S_VKORG FOR MVKE-VKORG DEFAULT 'ALL'.
SELECT * FROM MARA WHERE MTART IN S_MTART
AND MATNR IN S_MATNR.
CLEAR MVKE.
SELECT SINGLE * FROM MVKE WHERE MATNR = MARA-MATNR
AND VKORG IN S_VKORG.
CLEAR C001.
SELECT SINGLE * FROM C001 WHERE KTGRM = MVKE-KTGRM.
WRITE:/ MVKE-MATNR UNDER 'Material',
C001-KTGRD UNDER 'Cust Grp',
MVKE-KTGRM UNDER 'Matl Grp',
C001-KVSL1 UNDER 'Acct Key',
C001-SAKN1 UNDER 'G/L From',
C001-SAKN2 UNDER 'G/L To '.
ENDSELECT.
TOP-OF-PAGE.
FORMAT COLOR COL_TOTAL.
WRITE: / SY-DATUM, SY-UZEIT, SY-REPID,
050 'Material Sales Account Assignment',
120 SY-UNAME, SY-PAGNO.
SKIP.
WRITE: /001 'Material',
020 'Cust Grp',
030 'Matl Grp',
040 'Acct Key',
050 'G/L From',
060 'G/L To '.
SKIP.