How To Fix SV373 - No user-defined interface exists

SAP Error Message - Details

• Message type: E = Error

• Message class: SV - View Maintenance: Customize Messages

• Message number: 373

• Message text: No user-defined interface exists

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 SV373 - No user-defined interface exists ?

  The SAP error message SV373 "No user-defined interface exists" typically occurs when there is an attempt to access a user-defined interface that has not been created or is not properly configured in the SAP system. This error is often encountered in the context of SAP Business Workflow or when dealing with custom development involving interfaces.
  Cause:
  
  Missing Interface Definition: The user-defined interface that is being referenced does not exist in the system.
  Incorrect Configuration: The interface may exist, but it is not correctly configured or activated.
  Authorization Issues: The user may not have the necessary authorizations to access the interface.
  Transport Issues: If the interface was recently transported from another system, it may not have been properly imported or activated.
  
  Solution:
  
  
  Check Interface Definition:
  
  Go to transaction code SE80 (Object Navigator) or SE11 (Data Dictionary) and check if the interface exists.
  If it does not exist, you may need to create it or ensure that it has been transported correctly.
  
  
  
  Activate the Interface:
  
  If the interface exists but is not active, you may need to activate it. This can usually be done in the same transaction where you check the interface.
  
  
  
  Review Configuration:
  
  Ensure that the interface is properly configured in the relevant settings. This may involve checking the workflow configuration or any related settings in the SAP system.
  
  
  
  Check Authorizations:
  
  Verify that the user encountering the error has the necessary authorizations to access the interface. This can be done by checking the user roles and authorizations in transaction code SU01.
  
  
  
  Transport Check:
  
  If the interface was recently transported, check the transport logs to ensure that it was imported successfully without errors. You may need to re-import the transport if there were issues.
  
  
  
  Consult Documentation:
  
  If the interface is part of a custom development, consult the documentation or the developer who created it for any specific requirements or configurations.
  
  
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE11 (Data Dictionary), SU01 (User Maintenance), SWDD (Workflow Builder).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Debugging: If you have access to debugging tools, you can set breakpoints to trace where the error is occurring in the code.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or development team for further assistance.