How To Fix B1012 - Message type & does not exist

B1012 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 012

• Message text: Message type & does not exist

What causes this issue?

Message type &v1& does not exist.

How to fix this error?

Check the configurations for this message type in ALE or EDI
Customizing (for example, with transaction WE30).

Error message extract from SAP system. Copyright SAP SE.

B1012 - Details

• The SAP error message B1012, 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 is not available in the system.
  
  Cause:
  
  Missing Message Type: The specified message type is not defined in the system. This could happen if the message type was never created or if it was deleted.
  Incorrect Configuration: The configuration settings for the IDoc processing may be incorrect, leading to the system looking for a message type that does not exist.
  Transport Issues: If the message type was recently transported from another system, there may have been issues during the transport process that caused it not to be created properly.
  Typographical Error: There may be a typo in the message type name being referenced in the program or configuration.
  
  
  Solution:
  
  
  Check Message Type Definition:
  
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