How To Fix E1126 - Link exists between logical message and IDoc type

E1126 - Overview

• Message type: E = Error

• Message class: E1 - Messages for IDoc Basis

• Message number: 126

• Message text: Link exists between logical message and IDoc type

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 E1126 - Link exists between logical message and IDoc type ?

  The SAP error message E1126, which states "Link exists between logical message and IDoc type," typically occurs in the context of IDoc processing and configuration in SAP systems. This error indicates that there is a linkage or association between a logical message and an IDoc type that is causing a conflict or issue.
  
  Cause:
  
  
  Configuration Issues: The error often arises due to incorrect or incomplete configuration in the IDoc interface. This could be related to the mapping of logical messages to IDoc types.
  Duplicate Entries: There may be duplicate entries in the configuration tables that link logical messages to IDoc types.
  Inconsistent Data: If there are inconsistencies in the data or configuration settings, it can lead to this error.
  Transport Issues: If changes were transported from one system to another (e.g., from development to production), and the transport did not include all necessary objects, this error may occur.
  
  
  Solution:
  
  
  Check Configuration: 
  
  Go to transaction WE81 (Logical Message