Message type: E = Error
Message class:  EDEREG_INV - Error Messages for Payment Management in a Deregulated Env. 
Message number: 684
Message text: The system settings do not allow the down payment process
The system settings do not allow budget billing amounts to be posted as
down payments for incoming bills for recipient/sender pair &V1& / &V2&.
Processing for recipient/sender pair &V1& / &V2& is cancelled.
Contact your system administrator.
The system settings specify that for incoming bill processing, budget
billing amounts cannot be posted as down payments for the supplier.
Despite this setting, the parameter for the <ZH><ZK>Budget Billing as
Down Payment</></> parameter is activated (X) in the service provider
agreement for &V2& for deregulation process REM_OUT. Correct your system
settings.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message EDEREG_INV684 indicates that the system settings do not permit the down payment process for the transaction you are trying to execute. This error typically arises in the context of invoice processing, particularly when dealing with down payments in accounts payable or receivable.
Cause: The error can be caused by several factors, including: Configuration Settings: The system may not be configured to allow down payments for the specific transaction type or vendor/customer. Document Type Restrictions: The document type being used may not be set up to handle down payments. Company Code Settings: The company code settings may not allow down payments for certain transactions. Payment Terms: The payment terms associated with the vendor/customer may not include provisions for down payments. User Authorizations: The user may not have the necessary authorizations to process down payments.
Solution: To resolve the error, you can take the following steps: Check Configuration: Go to the configuration settings in SAP (transaction code SPRO). Navigate to
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