How To Fix R3125 - No name could be determined for the ALE message type

R3125 - Overview

• Message type: E = Error

• Message class: R3 - Service API messages

• Message number: 125

• Message text: No name could be determined for the ALE message type

What causes this issue?

The system attempted to activate the transfer rules for a DataSource
that displayed the Delta using an ALE change pointer. The system could
not determine the name of the message type required to record the
change pointer.

System Response

The transfer rules could not be activated.

How to fix this error?

Check that the number range object has been set up correctly BI_MSYTPE
(Note 141436).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message R3125 - No name could be determined for the ALE message type ?

  The SAP error message R3125, "No name could be determined for the ALE message type," typically occurs in the context of Application Link Enabling (ALE) when the system is unable to find a corresponding message type for the specified IDoc (Intermediate Document) type. This can happen for various reasons, including configuration issues or missing definitions.
  Causes:
  
  Missing Message Type Definition: The message type for the IDoc is not defined in the system.
  Incorrect Configuration: The configuration for the ALE distribution model may not be set up correctly.
  Transport Issues: If the IDoc type or message type was recently transported from another system, it may not have been properly activated or may be missing.
  Namespace Issues: If the IDoc type is in a custom namespace, the system may not be able to resolve it correctly.
  Authorization Issues: The user may not have the necessary authorizations to access the message type.
  
  Solutions:
  
  
  Check Message Type Definition:
  
  Go to transaction WE81 to