How To Fix CFD_RCV_MESSAGES018 - Keys of Table &1 are unequal to Keys of Table &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CFD_RCV_MESSAGES - Custom Fields: Recovery Support Tool CompCheck Message Class

• Message number: 018

• Message text: Keys of Table &1 are unequal to Keys of Table &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_RCV_MESSAGES018 - Keys of Table &1 are unequal to Keys of Table &2 ?

  The SAP error message CFD_RCV_MESSAGES018, which states "Keys of Table &1 are unequal to Keys of Table &2," typically occurs in the context of data processing or data transfer between two tables in SAP. This error indicates that there is a mismatch between the keys of the two tables being compared or processed.
  Cause:
  
  
  Key Mismatch: The primary cause of this error is that the keys (which are unique identifiers for records in a table) of the two tables being compared do not match. This could happen due to:
  
  Missing records in one of the tables.
  Incorrect data entries or configurations.
  Changes in the data model that have not been reflected in the related tables.
  Data inconsistencies due to incomplete data migration or integration processes.
  
  
  
  Data Integrity Issues: If the data integrity is compromised, such as during data uploads or migrations, it can lead to this error.
  
  
  Configuration Issues: Incorrect configuration settings in the application or module that is trying to access or compare the tables.
  
  
  Solution:
  
  
  Check Data Consistency: Verify that the data in both tables is consistent. You can do this by:
  
  Running queries to check for missing keys in either table.
  Comparing the records in both tables to identify discrepancies.
  
  
  
  Data Correction: If you find any discrepancies, correct the data in the relevant table(s) to ensure that the keys match. This may involve:
  
  Adding missing records.
  Deleting or updating incorrect records.
  
  
  
  Review Configuration: Check the configuration settings related to the tables involved. Ensure that they are set up correctly and that any recent changes have been properly implemented.
  
  
  Debugging: If you have access to the development environment, you can debug the program or function module that is generating this error to identify the exact point of failure and the data being processed.
  
  
  Consult Documentation: Review SAP documentation or notes related to the specific module or functionality you are working with. There may be known issues or additional troubleshooting steps provided by SAP.
  
  
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for assistance. Provide them with detailed information about the error, including the context in which it occurs and any relevant data.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may want to check transaction codes related to data management, such as SE11 (Data Dictionary), SE16 (Data Browser), or SE80 (Object Navigator).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Data Migration Tools: If this error occurs during data migration, review the tools and methods used for the migration process to ensure they are functioning correctly.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.