How To Fix LCA_LCK999 - General error in the LCA routine caused by the application program

SAP Error Message - Details

• Message type: E = Error

• Message class: LCA_LCK - Error Texts for the Lock Server Module

• Message number: 999

• Message text: General error in the LCA routine caused by the application program

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message LCA_LCK999 - General error in the LCA routine caused by the application program ?

  The SAP error message LCA_LCK999 indicates a general error in the LCA (Logistics Control Application) routine, which is typically caused by issues in the application program. This error can arise from various factors, including data inconsistencies, configuration issues, or problems in the underlying application logic.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the database tables that the LCA routine relies on.
  Configuration Issues: Incorrect configuration settings in the LCA or related modules can lead to this error.
  Application Logic Errors: There may be bugs or logical errors in the custom code or standard SAP code that is being executed.
  Locking Issues: The error may also occur if there are issues with database locks, where the application is trying to access data that is currently locked by another process.
  Performance Issues: If the system is under heavy load, it may lead to timeouts or other performance-related errors.
  
  Solutions:
  
  Check Application Logs: Review the application logs (transaction SLG1) for more detailed error messages that can provide insights into the root cause.
  Data Validation: Validate the data being processed to ensure there are no inconsistencies or missing entries. This may involve checking relevant database tables.
  Configuration Review: Review the configuration settings related to the LCA and ensure they are set up correctly.
  Debugging: If you have access to the development environment, consider debugging the application program to identify where the error is occurring.
  Check for Locks: Use transaction SM12 to check for any locks that may be causing the issue. If necessary, release locks that are no longer needed.
  Performance Monitoring: Monitor system performance and check for any bottlenecks that may be affecting the execution of the LCA routine.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches or updates.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SLG1 (Application Log), SM12 (Lock Entries), and ST22 (Dump Analysis) for troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists and you have a support contract, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to diagnose and resolve the LCA_LCK999 error effectively.