How To Fix M2779 - The LIS interface & is inconsistent! Processing impossible!

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 779

• Message text: The LIS interface & is inconsistent! Processing impossible!

What causes this issue?

The LIS inbound interface &V1& is inconsistent.
Inconsistency number &V2& occurred.
Inconsistency always occurs when tables or programs are changed
manually.
Possible Inconsistencies

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Number 3: no communication structure exists for the event.
Number 4: more than one communication structure exists for the event
(hierarchical).
Number 5: The communication structure does not exist.
Number 6: The function group does not exist.
Number 9: During deletion of info structure &V1&, several events were
found. However, only one event can be created using the LIS interface
in Copy Management.

System Response

It is not possible to process an inconsistent LIS inbound interface.

How to fix this error?

Please rectify the inconsistency.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M2779 - The LIS interface & is inconsistent! Processing impossible! ?

  The SAP error message M2779, which states "The LIS interface & is inconsistent! Processing impossible!", typically occurs in the context of Logistics Information System (LIS) when there is an inconsistency in the data or configuration related to the LIS interface. This can happen for various reasons, including issues with data extraction, configuration settings, or master data.
  Causes:
  
  Inconsistent Configuration: The LIS interface may not be properly configured, leading to inconsistencies in the data being processed.
  Missing or Incorrect Master Data: If the master data (like material master, vendor master, etc.) is incomplete or incorrect, it can lead to inconsistencies.
  Data Extraction Issues: Problems during the data extraction process can result in incomplete or corrupted data being sent to the LIS.
  Transport Issues: If there have been recent transports that included changes to the LIS configuration, they may not have been properly applied or may have introduced inconsistencies.
  Version Mismatch: If there are different versions of the LIS components or if the system has not been updated correctly, it can lead to inconsistencies.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the LIS interface in transaction codes like LBW0 (for LIS) or LBW1 (for InfoStructures). Ensure that all settings are correct and consistent.
  Validate Master Data: Check the relevant master data for completeness and correctness. Use transaction codes like MM03 for material master or MK03 for vendor master to verify the data.
  Reinitialize Data Extraction: If there are issues with data extraction, consider reinitializing the data extraction process. This can often resolve inconsistencies.
  Check Transport Logs: If recent transports have been made, check the transport logs for any errors or warnings that might indicate issues with the LIS configuration.
  Run Consistency Checks: Use transaction codes like MCB1 or MCB2 to run consistency checks on the LIS data and structures.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide guidance on resolving inconsistencies in the LIS interface.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LBW0, LBW1, MCB1, MCB2, and others related to LIS and data extraction.
  SAP Documentation: Review SAP documentation and guides related to the Logistics Information System for best practices and troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found effective.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis or technical team for further investigation and resolution.