How To Fix S_AUT018 - Memory tables deleted

S_AUT018 - Overview

• Message type: E = Error

• Message class: S_AUT - Audit Trail (ILM): Messages

• Message number: 018

• Message text: Memory tables deleted

What causes this issue?

The specifications regarding the changed log functions have been
deleted.

System Response

All logging statements are ineffective. The previously changed log
functions will not be stored in the database.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message S_AUT018 - Memory tables deleted ?

  The SAP error message S_AUT018, which states "Memory tables deleted," typically occurs in the context of authorization checks within the SAP system. This message indicates that the memory tables used for authorization checks have been cleared or deleted, which can lead to performance issues or authorization failures.
  
  Cause:
  
  
  Memory Management: The SAP system uses memory tables to store authorization data for efficient access. If these tables are cleared, it may be due to:
  
  System memory constraints.
  Manual intervention or configuration changes.
  A system restart or transaction that requires a refresh of the authorization data.
  
  
  
  Authorization Issues: If the user does not have the necessary authorizations, the system may not be able to access the required data, leading to this error.
  
  
  System Configuration: Changes in system configuration or updates may inadvertently affect how memory tables are managed.
  
  
  
  Solution:
  
  
  Check User Authorizations: Ensure that the user encountering the error has the necessary authorizations. You can do this by:
  
  Using transaction code SU53