How To Fix RMSL_WUI221 - Message cannot be logged without a message class

SAP Error Message - Details

• Message type: E = Error

• Message class: RMSL_WUI - Labeling Web UI: RMSL Class Messages Converted for Web UI

• Message number: 221

• Message text: Message cannot be logged without a message class

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RMSL_WUI221 - Message cannot be logged without a message class ?

  The SAP error message RMSL_WUI221, which states "Message cannot be logged without a message class," typically occurs when there is an attempt to log a message in the SAP system without specifying a valid message class. This can happen in various scenarios, such as during the execution of a program, a report, or a transaction that involves message handling.
  Cause:
  
  Missing Message Class: The primary cause of this error is that the program or function module is trying to log a message, but the message class has not been defined or is not available.
  Incorrect Configuration: There may be a configuration issue where the message class is not properly set up in the system.
  Custom Development Issues: If the error arises from custom code, it may be due to a developer not specifying the message class correctly when attempting to log messages.
  
  Solution:
  
  Check Message Class: Ensure that the message class is defined in the system. You can check this in transaction SE91 (Message Class Maintenance). If the message class does not exist, you may need to create it.
  Review Code: If the error is occurring in custom code, review the relevant code to ensure that a valid message class is being used when logging messages. The syntax for logging messages typically requires specifying the message class and message number.
  Debugging: If you have access to the ABAP debugger, you can set breakpoints in the code where the message logging occurs to inspect the values being passed, particularly the message class.
  Consult Documentation: If you are using standard SAP programs or transactions, consult the SAP documentation or support notes related to the specific transaction or program to see if there are known issues or patches available.
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for assistance, especially if it is affecting critical business processes.
  
  Related Information:
  
  Message Classes: In SAP, message classes are used to group messages that can be displayed to users. Each message class can contain multiple messages, each identified by a unique number.
  Transaction SE91: This transaction is used to create and maintain message classes in SAP.
  ABAP Development: If you are a developer, familiarize yourself with the message handling functions in ABAP, such as MESSAGE statements, to ensure proper usage.
  
  By following these steps, you should be able to identify the cause of the RMSL_WUI221 error and implement a solution to resolve it.