How To Fix ME_AUTO304 - Enter either a document number or a delivery number

SAP Error Message - Details

• Message type: E = Error

• Message class: ME_AUTO - IS Automotive: Scheduling Agreement Messages

• Message number: 304

• Message text: Enter either a document number or a delivery number

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 ME_AUTO304 - Enter either a document number or a delivery number ?

  The SAP error message ME_AUTO304, which states "Enter either a document number or a delivery number," typically occurs in the context of purchasing documents or goods movements in SAP. This error indicates that the system requires either a document number (such as a purchase order number) or a delivery number to proceed with the transaction, but neither has been provided.
  Cause:
  
  Missing Input: The user has not entered a required document number or delivery number in the relevant field.
  Incorrect Transaction: The transaction being performed may require specific identifiers that have not been provided.
  System Configuration: There may be configuration settings in the SAP system that require certain fields to be filled out before proceeding.
  
  Solution:
  
  Check Input Fields: Ensure that you have entered either a valid document number (like a purchase order number) or a delivery number in the appropriate field.
  Verify Document Existence: Make sure that the document number or delivery number you are trying to use actually exists in the system. You can check this by using transaction codes like ME23N (Display Purchase Order) or VL03N (Display Outbound Delivery).
  Review Transaction Requirements: Consult the documentation or help resources for the specific transaction you are trying to perform to understand what inputs are required.
  System Configuration: If you believe the error is due to system configuration, consult with your SAP administrator or technical team to ensure that the system is set up correctly for the processes you are trying to execute.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), ME23N (Display Purchase Order), VL01N (Create Outbound Delivery), and VL02N (Change Outbound Delivery).
  SAP Documentation: Refer to SAP Help Portal or your organization's SAP documentation for more detailed information on the specific transaction and its requirements.
  User Training: If this error occurs frequently, consider additional training for users on how to properly enter data in the system to avoid missing required fields.
  
  By following these steps, you should be able to resolve the ME_AUTO304 error and proceed with your transaction in SAP.