How To Fix MLCCS009 - Internal error in &1 method &2 position &3 with RC &4

SAP Error Message - Details

• Message type: E = Error

• Message class: MLCCS - Message for Actual Costing

• Message number: 009

• Message text: Internal error in &1 method &2 position &3 with RC &4

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 MLCCS009 - Internal error in &1 method &2 position &3 with RC &4 ?

  The SAP error message MLCCS009 indicates an internal error in a specific method of the system, which is typically related to the Material Ledger or Material Management components. The message provides details about the method, position, and return code (RC) that can help in diagnosing the issue.
  Cause:
  The error can be caused by various factors, including but not limited to:
  
  Configuration Issues: Incorrect settings in the Material Ledger or related modules.
  Data Inconsistencies: Corrupted or inconsistent data in the database that the method is trying to process.
  Program Errors: Bugs or issues in the custom code or standard SAP code that is being executed.
  System Performance: Resource limitations or performance issues that prevent the method from executing properly.
  
  Solution:
  To resolve the MLCCS009 error, you can follow these steps:
  
  
  Check the Return Code (RC): The return code provided in the error message can give insights into the nature of the error. Look up the return code in SAP documentation or forums to understand its specific meaning.
  
  
  Review the Method and Position: Analyze the method and position mentioned in the error message. This may require debugging or checking the relevant code to identify what might be going wrong.
  
  
  Check Configuration: Ensure that the configuration settings for the Material Ledger and related components are correct. This includes checking settings in transaction codes like OML0, OML1, and OML2.
  
  
  Data Consistency Check: Run consistency checks on the relevant data. You can use transaction codes like CKMLCP (for Material Ledger) to check for inconsistencies.
  
  
  Debugging: If you have access to the development environment, you can debug the program to see where the error occurs. This may require ABAP programming knowledge.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal. There may be specific notes addressing this error or providing patches.
  
  
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support with the details of the error message, including the method, position, and return code.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  CKMLCP: Material Ledger closing program.
  OML0/OML1/OML2: Configuration for Material Ledger.
  
  
  
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  
  
  Documentation: Review SAP documentation related to the Material Ledger and error handling for more context on the error.
  
  
  By following these steps, you should be able to diagnose and potentially resolve the MLCCS009 error in your SAP system.