How To Fix MLCCS099 - Internal error in FORM/FUNCTION &1 in position &2 with RC &3 for KALNR &4

SAP Error Message - Details

• Message type: E = Error

• Message class: MLCCS - Message for Actual Costing

• Message number: 099

• Message text: Internal error in FORM/FUNCTION &1 in position &2 with RC &3 for KALNR &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.

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MLCCS099 - Internal error in FORM/FUNCTION &1 in position &2 with RC &3 for KALNR &4 ?

  The SAP error message MLCCS099 indicates an internal error that occurred in a specific function or form related to the handling of a particular object, identified by the parameters provided in the message. This error is typically associated with the Material Ledger (ML) functionality in SAP, which is used for managing inventory valuation and cost accounting.
  Cause:
  The error can be caused by various factors, including but not limited to:
  
  Data Inconsistencies: There may be inconsistencies in the data related to the material number (KALNR) specified in the error message.
  Configuration Issues: Incorrect configuration settings in the Material Ledger or related modules may lead to this error.
  Program Bugs: There could be a bug in the SAP program or function module that is being executed.
  Missing Authorizations: The user executing the transaction may not have the necessary authorizations to perform the action.
  System Performance Issues: Resource constraints or performance issues in the SAP system may lead to unexpected errors.
  
  Solution:
  To resolve the MLCCS099 error, you can take the following steps:
  
  Check the Error Log: Review the detailed error log (transaction SLG1) to gather more information about the error context and any related messages.
  Validate Data: Ensure that the data for the material number (KALNR) is consistent and complete. Check for any missing or incorrect entries in the Material Master or related tables.
  Review Configuration: Verify the configuration settings for the Material Ledger and ensure they are set up correctly. This includes checking the settings for valuation areas, currency types, and other related parameters.
  Check Authorizations: Ensure that the user has the necessary authorizations to perform the action that triggered the error.
  Consult SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  Debugging: If you have access to development tools, you may need to debug the function or form mentioned in the error message to identify the root cause.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with the error message details, including the parameters (function/form name, position, return code, and material number).
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MM03: Display Material
  CKM3N: Display Material Ledger Document
  SLG1: Application Log
  
  
  Documentation: Review SAP documentation related to the Material Ledger and error handling for more insights.
  Community Forums: Check SAP Community forums or other user groups for discussions related to similar errors.
  
  By following these steps, you should be able to diagnose and potentially resolve the MLCCS099 error in your SAP system.