How To Fix MLCCS204 - Incorrect data in transfer interface for module &1 (KALNR = &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: MLCCS - Message for Actual Costing

• Message number: 204

• Message text: Incorrect data in transfer interface for module &1 (KALNR = &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.

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 MLCCS204 - Incorrect data in transfer interface for module &1 (KALNR = &2) ?

  The SAP error message MLCCS204 indicates that there is incorrect data in the transfer interface for a specific module, identified by the module name (&1) and a specific identifier (KALNR = &2). This error typically occurs in the context of Material Ledger or related functionalities where data is being transferred or processed.
  Cause:
  The error can be caused by several factors, including:
  
  Data Inconsistency: There may be inconsistencies in the data being transferred, such as missing or incorrect values in the relevant fields.
  Configuration Issues: Incorrect configuration settings in the Material Ledger or related modules can lead to this error.
  Master Data Issues: Problems with master data (e.g., material master, vendor master) that are referenced in the transfer can trigger this error.
  Custom Code: If there are custom enhancements or modifications in the system, they might be causing the data to be processed incorrectly.
  Version Mismatch: If there are discrepancies between the versions of the data being transferred and the expected format, this error can occur.
  
  Solution:
  To resolve the MLCCS204 error, you can take the following steps:
  
  
  Check Data Consistency:
  
  Review the data being transferred for the specified module and KALNR. Ensure that all required fields are populated correctly and that there are no missing or invalid entries.
  
  
  
  Review Configuration:
  
  Verify the configuration settings for the Material Ledger and related modules. Ensure that they are set up correctly according to your business requirements.
  
  
  
  Examine Master Data:
  
  Check the relevant master data for the material or entity associated with KALNR. Ensure that it is complete and accurate.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can trace the process to identify where the data is being mishandled or where the error is being triggered.
  
  
  
  Check for Custom Code:
  
  If there are any custom developments or enhancements, review them to ensure they are not causing the issue. You may need to consult with your ABAP developers.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be known issues or patches available.
  
  
  
  Testing:
  
  After making any changes, perform thorough testing to ensure that the issue is resolved and that no new issues have been introduced.
  
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like MB51 (Material Document List) or MB03 (Display Material Document) to analyze the material documents related to the error.
  SAP Help Portal: Refer to the SAP Help Portal for documentation on Material Ledger and related functionalities.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the issue persists after following these steps, it may be necessary to escalate the problem to SAP support for further assistance.