How To Fix R9105 - Message &1 is not known

SAP Error Message - Details

• Message type: E = Error

• Message class: R9 - Business Explorer

• Message number: 105

• Message text: Message &1 is not known

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 R9105 - Message &1 is not known ?

  The SAP error message R9105 ("Message &1 is not known") typically indicates that the system is trying to reference a message that does not exist in the message class specified. This can occur in various scenarios, such as during the execution of a program, transaction, or when processing certain data.
  Cause:
  
  Missing Message: The message number referenced in the error does not exist in the specified message class.
  Incorrect Message Class: The program or transaction may be referencing the wrong message class.
  Transport Issues: If the message was recently added or modified, it may not have been transported correctly to the system where the error is occurring.
  Custom Development: If the message is part of a custom development, it may not have been defined properly.
  
  Solution:
  
  Check Message Class: Verify that the message class and message number are correct. You can do this by using transaction SE91 (Message Class Maintenance) to check if the message exists.
  Add Missing Message: If the message is indeed missing, you can add it in transaction SE91. Make sure to provide the correct text and ensure it is saved.
  Transport Requests: If the message was recently created or modified, ensure that the transport requests have been properly imported into the target system.
  Debugging: If you are a developer, you can debug the program to see where the message is being called and verify the logic around it.
  Check Custom Code: If the error is coming from custom code, review the code to ensure that it is referencing the correct message class and number.
  
  Related Information:
  
  Transaction SE91: Use this transaction to manage message classes and messages in SAP.
  Transaction SE80: This transaction can be used to check the program or object that is generating the error.
  SAP Notes: Check SAP Notes for any known issues related to the specific message class or program you are working with.
  Documentation: Review any relevant documentation or specifications related to the custom development or configuration that may be causing the issue.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis or development team for further assistance.