How To Fix DA652 - Table conversions are not supported for shared tables

SAP Error Message - Details

• Message type: E = Error

• Message class: DA - Dictionary: Compare, distribution, timer, instantiation

• Message number: 652

• Message text: Table conversions are not supported for shared tables

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DA652 - Table conversions are not supported for shared tables ?

  The SAP error message DA652, which states "Table conversions are not supported for shared tables," typically occurs when there is an attempt to perform a table conversion on a shared table in the SAP system. Shared tables are those that are used by multiple clients or applications, and certain operations, such as table conversions, are restricted to maintain data integrity and consistency across the system.
  Cause:
  
  Shared Table: The table you are trying to convert is a shared table, which means it is used by multiple clients or applications within the SAP system.
  Conversion Attempt: The system is attempting to perform a conversion operation (like changing the structure of the table) that is not allowed on shared tables.
  Data Integrity: SAP restricts certain operations on shared tables to prevent data integrity issues that could arise from concurrent access and modifications.
  
  Solution:
  
  Identify the Table: Determine which table is causing the error. You can usually find this in the error message details or logs.
  Check Table Type: Verify if the table is indeed a shared table. You can do this by checking the table's attributes in the Data Dictionary (SE11).
  Avoid Conversion: If the table is shared, you will need to avoid performing the conversion. Instead, consider alternative approaches:
  
  Create a New Table: If you need to change the structure, consider creating a new table with the desired structure and migrating the data from the old table to the new one.
  Use Views: If the goal is to present data differently, consider using database views instead of altering the table structure.
  
  
  Consult Documentation: Review SAP documentation or notes related to the specific table and the operations you are trying to perform. There may be specific guidelines or best practices for handling shared tables.
  Contact SAP Support: If you are unsure how to proceed or if the issue persists, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions for this error.
  Data Dictionary (SE11): Use transaction SE11 to explore the table structure and attributes.
  Table Maintenance: If you need to maintain or modify data in a shared table, consider using standard SAP transactions or tools designed for that purpose.
  Development Guidelines: Follow SAP's development guidelines to ensure that any changes made to the database schema are compliant with best practices.
  
  By following these steps, you should be able to address the DA652 error and find a suitable workaround for your requirements.