How To Fix KE521 - Tables & and & do not belong together.

SAP Error Message - Details

• Message type: E = Error

• Message class: KE -

• Message number: 521

• Message text: Tables & and & do not belong together.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KE521 - Tables & and & do not belong together. ?

  The SAP error message KE521 ("Tables & and & do not belong together") typically occurs in the context of controlling (CO) when there is a mismatch between the data in different tables that are expected to be related. This error often arises during the execution of certain transactions or reports that involve cost center accounting, internal orders, or profitability analysis.
  Cause:
  The error is usually caused by one of the following issues:
  
  
  Inconsistent Data: The data in the tables being accessed does not match. For example, if you are trying to access cost center data and the corresponding master data is not aligned, this error can occur.
  
  
  Missing or Incorrect Configuration: There may be a configuration issue in the controlling area or the related master data that leads to the mismatch.
  
  
  Data Migration Issues: If data has been migrated from another system or if there have been changes in the data structure, inconsistencies may arise.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain data, leading to this error.
  
  
  Solution:
  To resolve the KE521 error, you can take the following steps:
  
  
  Check Data Consistency: Verify that the data in the relevant tables is consistent. You can use transaction codes like SE11 (Data Dictionary) to check the structure of the tables involved.
  
  
  Review Configuration: Ensure that the configuration settings in the controlling area are correct. Check the settings for cost centers, internal orders, and any other related master data.
  
  
  Run Consistency Checks: Use SAP standard reports or tools to run consistency checks on the relevant data. This can help identify any discrepancies.
  
  
  Data Migration Review: If the issue arose after a data migration, review the migration process to ensure that all necessary data was transferred correctly and that the relationships between tables were maintained.
  
  
  Authorization Check: Ensure that the user has the necessary authorizations to access the data. You can check this in transaction SU53 or by consulting with your security team.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that can resolve the issue.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KE30 (Profitability Analysis), KSB1 (Cost Centers: Actual Line Items), and KOB1 (Orders: Actual Line Items) to analyze the data.
  Documentation: Review SAP documentation related to controlling and the specific modules you are working with to understand the relationships between different tables.
  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 identify and resolve the underlying cause of the KE521 error in SAP.