How To Fix DBMAN762 - No switch possible as multiple compressed movements have the same key

SAP Error Message - Details

• Message type: E = Error

• Message class: DBMAN - Data Manager Message Class

• Message number: 762

• Message text: No switch possible as multiple compressed movements have the same key

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DBMAN762 - No switch possible as multiple compressed movements have the same key ?

  The SAP error message DBMAN762 indicates that there is an issue with data compression in the database, specifically that multiple compressed movements (or records) share the same key, which prevents the system from switching or processing them correctly. This typically occurs in the context of database management and data compression techniques used in SAP systems.
  Cause:
  
  
  Duplicate Keys: The primary cause of this error is the presence of multiple records with the same key in a compressed data structure. This can happen due to:
  
  Data inconsistencies or corruption.
  Incorrect data loading or migration processes.
  Issues during the compression process itself.
  
  
  
  Database Configuration: Sometimes, the database configuration or settings may not be optimized for handling compressed data, leading to conflicts.
  
  
  Solution:
  To resolve the DBMAN762 error, you can follow these steps:
  
  
  Identify Duplicate Records:
  
  Use SQL queries or SAP transaction codes to identify the records that are causing the duplication. You may need to check the relevant tables for the specific key that is causing the issue.
  
  
  
  Data Cleanup:
  
  Once you identify the duplicate records, you may need to clean up the data. This could involve:
  
  Deleting or archiving duplicate entries.
  Correcting any data inconsistencies.
  
  
  
  
  
  Recompress Data:
  
  After resolving the duplicates, you may need to recompress the data. This can usually be done through the database management tools or SAP transaction codes related to data compression.
  
  
  
  Check Database Settings:
  
  Review the database settings and configurations to ensure they are optimized for handling compressed data. This may involve consulting with your database administrator.
  
  
  
  SAP Notes and Support:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that can help resolve the issue.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation related to database management and data compression for best practices and troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE16 (Data Browser), and ST22 (Dump Analysis) to analyze and manage database tables.
  Database Management: Understanding how SAP handles data compression and the underlying database (e.g., HANA, Oracle, SQL Server) can provide insights into resolving such issues.
  Performance Monitoring: Regularly monitor database performance and data integrity to prevent similar issues in the future.
  
  If the problem persists after following these steps, it may be necessary to engage SAP support or a database expert for further assistance.