How To Fix /SAPAPO/CAL_MD200 - Table &1 (field: &2): entry exists in table &3 (field: &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CAL_MD -

• Message number: 200

• Message text: Table &1 (field: &2): entry exists in table &3 (field: &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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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CAL_MD200 - Table &1 (field: &2): entry exists in table &3 (field: &4) ?

  The SAP error message /SAPAPO/CAL_MD200 typically indicates that there is a data integrity issue in the Advanced Planning and Optimization (APO) module, specifically related to the master data tables. This error occurs when an attempt is made to create or update an entry in a table, but a corresponding entry already exists, violating the uniqueness constraint of that table.
  Cause:
  The error message can be triggered by several factors, including:
  
  Duplicate Entries: The most common cause is that there is already an existing entry in the specified table that conflicts with the new entry you are trying to create or update.
  Data Migration Issues: If data has been migrated from another system or if there have been manual entries that were not properly validated, duplicates may exist.
  Incorrect Configuration: Configuration settings in the APO system may not align with the data being processed, leading to conflicts.
  Master Data Changes: Changes in master data (like materials, locations, etc.) that are not properly synchronized can lead to this error.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Identify the Existing Entry: Use the details provided in the error message (the table name and field) to identify the existing entry that is causing the conflict. You can use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to view the contents of the table.
  
  
  Check for Duplicates: Look for duplicate entries in the specified table. If duplicates are found, you may need to delete or modify them to resolve the conflict.
  
  
  Data Validation: Ensure that the data you are trying to enter is valid and does not conflict with existing data. This may involve checking for unique keys or constraints defined in the table.
  
  
  Review Configuration: Check the configuration settings in the APO system to ensure they are set up correctly and do not lead to conflicts.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional guidance and troubleshooting steps.
  
  
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for assistance, providing them with the error details and any relevant context.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE16 (Data Browser), and others that can help you analyze the data.
  SAP Notes: Check for any SAP Notes that may address this specific error or provide additional troubleshooting steps.
  APO Master Data: Understanding the structure and relationships of master data in APO can help in diagnosing and resolving issues related to data integrity.
  
  By following these steps, you should be able to identify and resolve the cause of the /SAPAPO/CAL_MD200 error message.