How To Fix M2764 - More than one inbound interface was found for structure & !

M2764 - Overview

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 764

• Message text: More than one inbound interface was found for structure & !

What causes this issue?

There are several inbound interfaces for the communication structure
&V1&.

System Response

The IDoc data was not posted.

How to fix this error?

Check to see which inbound interface is being used by this
communication structure and delete the remaining structures.
The where-used list in the LIS inbound interface helps you to find this
out (under <LS>Utilities</>).

Error message extract from SAP system. Copyright SAP SE.

M2764 - Details

• The SAP error message M2764 ("More than one inbound interface was found for structure &!") typically occurs in the context of data transfer or interface processing, particularly when working with IDocs or other data structures in SAP. This error indicates that the system has identified multiple inbound interfaces that correspond to the same data structure, which can lead to ambiguity in processing.
  
  Cause:
  
  
  Multiple Interfaces Defined: The primary cause of this error is that there are multiple inbound interfaces defined for the same structure in the system. This can happen if:
  
  Different IDoc types or message types are configured to use the same data structure.
  There are custom developments or enhancements that have created additional interfaces for the same structure.
  
  
  
  
  Configuration Issues: Sometimes, the configuration in the SAP system may not be set up correctly, leading to multiple entries for the same structure in the relevant tables.
  
  
  
  Solution:
  To resolve the M2764 error, you can take the