How To Fix EPIC_ACTIONS304 - Enter only a vendor or customer account

SAP Error Message - Details

• Message type: E = Error

• Message class: EPIC_ACTIONS - Messages for Payment Processing Services

• Message number: 304

• Message text: Enter only a vendor or customer account

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message EPIC_ACTIONS304 - Enter only a vendor or customer account ?

  The SAP error message EPIC_ACTIONS304 indicates that the system requires you to enter either a vendor account or a customer account, but not both. This error typically arises in scenarios where a transaction or operation is being performed that involves either a vendor or a customer, but the system detects that both account types have been entered, which is not allowed.
  Cause:
  
  Data Entry Error: Both a vendor account and a customer account have been entered in the same transaction or screen.
  Configuration Issue: The system may be configured in a way that does not allow for simultaneous entry of both account types.
  Business Logic: The specific transaction or process you are trying to execute may inherently require a clear distinction between vendor and customer accounts.
  
  Solution:
  
  Review Input Fields: Check the input fields in the transaction screen and ensure that you have only entered either a vendor account or a customer account, but not both.
  Clear Unnecessary Fields: If both fields are populated, clear one of them based on the context of your transaction.
  Consult Documentation: Refer to the relevant SAP documentation or user manuals for the specific transaction you are working with to understand the requirements.
  Check Configuration: If you believe the error is due to a configuration issue, consult with your SAP administrator or technical team to review the settings related to vendor and customer accounts.
  Error Handling: If you are developing or customizing a transaction, ensure that the logic correctly handles the input validation for vendor and customer accounts.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes that involve vendor or customer data, such as invoice processing, payment processing, or account management.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles: Ensure that the user role has the necessary permissions to perform the transaction, as sometimes restrictions can lead to unexpected errors.
  Testing: If you are in a development or testing environment, try replicating the error with different inputs to better understand the conditions that trigger it.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support or your internal IT team for further assistance.