How To Fix /SAPPO/OPH_CUSTOM003 - Message &1 does not exist in message class &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPPO/OPH_CUSTOM -

• Message number: 003

• Message text: Message &1 does not exist in message class &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPPO/OPH_CUSTOM003 - Message &1 does not exist in message class &2 ?

  The SAP error message /SAPPO/OPH_CUSTOM003 Message &1 does not exist in message class &2 typically indicates that the system is trying to access a message that is not defined in the specified message class. This can occur in various scenarios, such as during the execution of a program, transaction, or when a specific functionality is being called that relies on custom messages.
  Cause:
  
  Missing Message Definition: The message with the specified number does not exist in the message class. This could be due to a missing entry in the message class or an incorrect message number being referenced.
  Custom Development: If the message class is part of a custom development (e.g., a custom program or enhancement), it is possible that the message was not created or was deleted.
  Transport Issues: If the message class was transported from one system to another (e.g., from development to production), there may have been issues during the transport that caused the message to be missing.
  
  Solution:
  
  Check Message Class: Go to transaction SE91 (Message Class Maintenance) and check if the message class (&2 in the error message) exists and if it contains the message number (&1). If it does not exist, you may need to create it.
  Create or Modify Message: If the message is missing, you can create a new message in the specified message class. Ensure that you provide the correct message number and text.
  Review Custom Code: If this error is occurring in a custom program, review the code to ensure that the correct message class and message number are being referenced.
  Transport Requests: If the message class is part of a transport request, ensure that the transport was successful and that the message class is present in the target system.
  Consult Documentation: If this message is part of a standard SAP application or module, consult the relevant documentation or SAP Notes to see if there are any known issues or updates related to this message.
  
  Related Information:
  
  Transaction SE91: Use this transaction to manage message classes and their messages.
  Transaction SE80: This transaction can be used to explore the development objects, including message classes.
  SAP Notes: Check SAP Notes for any known issues or fixes related to the specific message class or error message.
  Custom Development Guidelines: If you are working with custom developments, ensure that you follow best practices for creating and managing message classes.
  
  If you are unable to resolve the issue after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.