Diagnosis

You want to post via a special G/L indicator which was not maintained completely in the system. The specification on which reconciliation account is to be updated in the general ledger is missing.

System Response

The line item cannot be entered.

Procedure

In system configuration enter a special G/L account corresponding to reconciliation account 200000 for account type K and special G/L indicator A.

SOLUTION:

STEP 1: Go to T Code FS00 and create a G/L account for Down Payment Made

STEP 2: Go to T Code OBYR > Double click on Special G/L indicator "A" and Provide your Chart of Account

STEP 3: Enter Reconciliation A/c GL (left side) and then Special G/L Ind (Right side) > SAVE

You can also refer below blog for more detailed explanation:

https://www.gauravconsulting.com/post/down-payment-in-sap-s-4-hana

Thanks,

Adharsh K S