How To Fix R9105 - Message &1 is not known

R9105 - Overview

• 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.

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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