How To Fix DMCLG273 - Table type &1 is not supported for calculation of an access plan

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 273

• Message text: Table type &1 is not supported for calculation of an access plan

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMCLG273 - Table type &1 is not supported for calculation of an access plan ?

  The SAP error message DMCLG273 indicates that the table type specified (denoted as &1 in the message) is not supported for the calculation of an access plan. This typically occurs in the context of database operations, particularly when dealing with database views or certain types of tables that the SAP system cannot optimize for access plans.
  Cause:
  
  Unsupported Table Type: The error usually arises when the table type being referenced is not one of the types that SAP supports for access plan calculations. This can include certain types of temporary tables, views, or custom table types that do not conform to the expected structure.
  Database Configuration: There may be issues with the database configuration or the way the tables are defined in the database schema.
  Incorrect SQL Query: The SQL query being executed may be referencing a table type that is not valid or is incorrectly defined.
  
  Solution:
  
  Check Table Type: Verify the type of the table being referenced in the error message. Ensure that it is a standard table type supported by SAP for access plan calculations.
  Review SQL Query: If you are executing a custom SQL query, review it to ensure that it does not reference unsupported table types. Modify the query to use supported tables or views.
  Database Schema: If the issue persists, check the database schema for any inconsistencies or misconfigurations. Ensure that all tables and views are correctly defined.
  SAP Notes: Search for relevant SAP Notes or documentation that may address this specific error. SAP frequently updates its knowledge base with solutions for common issues.
  Consult SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance. Provide them with the details of the error and the context in which it occurs.
  
  Related Information:
  
  Access Plans: Access plans are used by the database to determine the most efficient way to execute a query. If a table type is not supported, the database cannot generate an optimal access plan.
  Database Optimization: Understanding how SAP optimizes database queries can help in troubleshooting issues related to access plans.
  SAP Documentation: Refer to the official SAP documentation for more information on supported table types and best practices for database operations.
  
  By following these steps, you should be able to identify the cause of the DMCLG273 error and implement a suitable solution.