How To Fix WS550 - ***************** Link to LIS (2) ***************************************

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 550

• Message text: ***************** Link to LIS (2) ***************************************

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 WS550 - ***************** Link to LIS (2) *************************************** ?

  The SAP error message WS550 * Link to LIS (2) *** is related to the Logistics Information System (LIS) integration. This message typically appears when there is an issue with the data transfer or link between the SAP application and the LIS.
  
  Cause:
  
  Data Transfer Issue: The error usually indicates a problem in the data transfer process from the SAP module (like MM, SD, PP) to the LIS.
  Incorrect or Missing Configuration: The link or interface settings between the SAP application and LIS might be incorrectly configured or missing.
  Authorization or Communication Problem: There could be authorization issues or communication failures between the SAP system and the LIS.
  Data Inconsistency: The data being transferred may be inconsistent or incomplete, causing the link to fail.
  Background Job Failure: The background job responsible for transferring data to LIS might have failed or not run.
  
  
  Solution:
  
  
  Check Configuration:
  
  Verify the LIS setup in transaction codes like MC21, MC22, MC23 (for LIS characteristics and key figures).
  Check the interface settings in transaction MCIS or relevant LIS customizing.
  Ensure that the data sources and update rules are correctly maintained.
  
  
  
  Review Data Transfer Jobs:
  
  Check background jobs related to LIS data transfer (e.g., jobs running programs like RMCEXTR1, RMCEXTR2).
  Ensure these jobs are scheduled and completed successfully.
  
  
  
  Analyze Logs and Dumps:
  
  Use transaction SM21 (system log), ST22 (short dumps), and SM37 (job monitoring) to find detailed error information.
  Look for authorization errors or communication failures.
  
  
  
  Check Authorizations:
  
  Verify that the user or process running the LIS data transfer has the necessary authorizations.
  
  
  
  Data Consistency Checks:
  
  Run consistency checks on the data being transferred.
  Correct any data inconsistencies in the source modules.
  
  
  
  Reprocess or Reset the Link:
  
  Sometimes, resetting or reinitializing the link between SAP and LIS can help.
  Use transaction MCIS or relevant tools to re-establish the connection.
  
  
  
  SAP Notes and Support:
  
  Search for SAP Notes related to WS550 or LIS link errors.
  Apply any relevant patches or corrections.
  
  
  
  
  Related Information:
  
  LIS (Logistics Information System): A component of SAP that collects and analyzes logistics data for reporting and decision-making.
  Transactions:
  
  MC21, MC22, MC23: Maintain LIS characteristics and key figures.
  MCIS: Interface settings for LIS.
  SM37: Job monitoring.
  ST22: Dump analysis.
  SM21: System log.
  
  
  Programs:
  
  RMCEXTR1, RMCEXTR2: Programs for extracting data to LIS.
  
  
  Common Modules Involved: MM (Materials Management), SD (Sales and Distribution), PP (Production Planning).
  
  
  If you provide more context (e.g., module, transaction, or scenario where the error occurs), I can give a more precise diagnosis and solution.