How To Fix /LTB/MC143 - For overwrite mode, Instance &1 is updated with new data

SAP Error Message - Details

• Message type: E = Error

• Message class: /LTB/MC -

• Message number: 143

• Message text: For overwrite mode, Instance &1 is updated with new data

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 /LTB/MC143 - For overwrite mode, Instance &1 is updated with new data ?

  The SAP error message /LTB/MC143 typically occurs in the context of data transfer or data loading processes, particularly when using the SAP Landscape Transformation (SLT) Replication Server or similar data replication tools. The message indicates that an instance (record) in the target system is being updated with new data, which may conflict with existing data.
  Cause:
  The error message /LTB/MC143 is triggered when:
  
  You are trying to overwrite existing data in the target system, but the system detects that the instance (record) you are trying to update already exists and has not been marked for deletion or is not in a state that allows for overwriting.
  There may be a conflict with the data integrity rules or constraints in the target system.
  The data being replicated may not match the expected format or structure, leading to issues during the overwrite process.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Data Consistency: Ensure that the data you are trying to load does not violate any constraints in the target system. This includes checking for primary key violations, foreign key constraints, and any other business rules that may apply.
  
  
  Review Overwrite Settings: Verify the settings for the data transfer process. Ensure that the overwrite mode is correctly configured and that the target system is set up to allow overwriting of existing records.
  
  
  Data Preparation: If the data being loaded is not in the correct format or structure, prepare the data accordingly. This may involve cleaning the data, ensuring that all required fields are populated, and that the data types match.
  
  
  Check for Locks: Ensure that there are no locks on the records you are trying to update. If another process is holding a lock on the instance, it may prevent the overwrite from occurring.
  
  
  Error Logs: Review the error logs for more detailed information about the specific instance that is causing the issue. This can provide insights into what might be going wrong.
  
  
  Testing: If possible, test the data load in a development or test environment before applying it to production. This can help identify issues without impacting live data.
  
  
  Consult Documentation: Refer to SAP documentation or support notes related to the specific version of the software you are using. There may be known issues or additional configuration steps required.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They can provide more specific guidance based on your system configuration and the context of the error.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SLT Documentation: Review the SAP Landscape Transformation documentation for best practices and configuration guidelines related to data replication and handling overwrite scenarios.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and resolve the error message /LTB/MC143 effectively.