How To Fix DMCLG264 - Access plan has already been calculated

DMCLG264 - Overview

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 264

• Message text: Access plan has already been calculated

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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DMCLG264 - Details

• The SAP error message DMCLG264, which states "Access plan has already been calculated," typically occurs in the context of database access plans in SAP systems, particularly when working with the Data Management and Data Warehousing components. This error indicates that the system is attempting to recalculate an access plan that has already been generated for a particular query or operation.
  
  Cause:
  
  Duplicate Execution: The error often arises when a query or operation is executed multiple times without any changes to the underlying data or structure, leading the system to recognize that the access plan has already been established.
  Caching Mechanism: SAP uses caching mechanisms to optimize performance. If the system detects that an access plan is already cached, it may throw this error when it tries to recalculate it.
  
  Configuration Issues: There may be configuration settings that are causing the system to misinterpret the state of the access plan.
  
  
  Solution:
  
  Check Query Execution: Ensure that the