How To Fix B1055 - Message type & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 055

• Message text: Message type & does not exist

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 B1055 - Message type & does not exist ?

  The SAP error message B1055, which states "Message type & does not exist," typically occurs in the context of SAP's IDoc (Intermediate Document) processing. This error indicates that the system is trying to use a message type that has not been defined or does not exist in the system.
  Cause:
  
  Missing Message Type: The specified message type is not defined in the system. This could be due to a configuration issue or because the message type was never created.
  Incorrect Configuration: The message type may be incorrectly configured or misspelled in the relevant settings.
  Transport Issues: If the message type was recently transported from another system, it may not have been included in the transport request or may not have been activated properly.
  Namespace Issues: If you are using a custom message type, it may not be properly registered in the system.
  
  Solution:
  
  
  Check Message Type Definition:
  
  Go to transaction code WE30 (IDoc Types) or WE81 (Message Types) to check if the message type exists.
  If it does not exist, you may need to create it or ensure that it is properly defined.
  
  
  
  Verify Configuration:
  
  Use transaction WE20 (Partner Profiles) to check the configuration for the partner profile that is using the message type. Ensure that the message type is correctly specified.
  Check the relevant settings in transaction WE21 (Port Definition) to ensure that the port is correctly configured to use the message type.
  
  
  
  Transport Request:
  
  If the message type was recently transported, check the transport logs to ensure that it was included in the transport request and that it was successfully imported into the target system.
  
  
  
  Custom Message Types:
  
  If you are using a custom message type, ensure that it has been properly registered and activated in the system.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP Basis or functional team for any specific configurations related to the message type in question.
  
  
  
  Related Information:
  
  IDoc Processing: Understanding how IDocs work in SAP can help in troubleshooting issues related to message types.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific message type or IDoc processing.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as WE30, WE20, WE21, and WE81 for managing IDocs and message types.
  
  If the issue persists after checking the above points, it may be beneficial to engage with SAP support or your internal SAP team for further assistance.