How To Fix AD626 - Use compression for clusters only

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 626

• Message text: Use compression for clusters only

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AD626 - Use compression for clusters only ?

  The SAP error message AD626 ("Use compression for clusters only") typically occurs when there is an attempt to use compression on a table that is not a cluster table. In SAP, compression is a technique used to reduce the size of cluster tables, which are special types of tables that store data in a compressed format for efficiency.
  Cause:
  The error arises when:
  
  You are trying to apply compression to a non-cluster table.
  The data structure or the table definition does not support compression.
  There may be a misunderstanding of the table types in SAP, leading to an attempt to compress a standard or transparent table.
  
  Solution:
  To resolve the AD626 error, you can take the following steps:
  
  
  Check Table Type: Verify the type of table you are working with. Ensure that you are only attempting to apply compression to cluster tables. You can check the table type in the Data Dictionary (SE11).
  
  
  Use Compression Appropriately: If you need to compress data, ensure that you are working with a cluster table. If you are dealing with a transparent or pooled table, compression is not applicable.
  
  
  Adjust Data Handling: If you need to optimize the performance of a non-cluster table, consider other optimization techniques such as indexing, partitioning, or archiving old data instead of compression.
  
  
  Review Documentation: Consult SAP documentation or help resources for more information on table types and the appropriate use of compression.
  
  
  Consult with Basis Team: If you are unsure about the table types or how to proceed, it may be helpful to consult with your SAP Basis team or a technical consultant who can provide guidance based on your specific system configuration.
  
  
  Related Information:
  
  Cluster Tables: These are special tables in SAP that allow for the storage of multiple records in a single database record, which can be compressed to save space.
  Transparent Tables: These are standard database tables that do not support compression.
  Performance Optimization: In addition to compression, consider other performance optimization strategies such as database tuning, proper indexing, and data archiving.
  
  By following these steps, you should be able to address the AD626 error and ensure that you are using compression correctly within your SAP environment.