How To Fix PAMS156 - Pool &1 of type &2 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: PAMS - Messages for Graphical Planning Board

• Message number: 156

• Message text: Pool &1 of type &2 does not exist

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PAMS156 - Pool &1 of type &2 does not exist ?

  The SAP error message PAMS156 indicates that a specific pool of a certain type does not exist in the system. This error typically arises in the context of SAP's application server and memory management, particularly when dealing with memory pools.
  Cause:
  
  Non-existent Memory Pool: The specified memory pool (denoted by &1) of the specified type (denoted by &2) has not been defined or has been deleted.
  Configuration Issues: There may be a misconfiguration in the SAP system settings related to memory management.
  System Upgrade or Changes: If the system has recently been upgraded or changed, certain configurations may not have been migrated correctly, leading to missing pools.
  Authorization Issues: The user may not have the necessary authorizations to access the specified memory pool.
  
  Solution:
  
  
  Check Pool Configuration:
  
  Go to the SAP transaction code RZ10 or RZ11 to check the profile parameters related to memory pools.
  Ensure that the pool you are trying to access is defined in the system.
  
  
  
  Define the Memory Pool:
  
  If the pool does not exist, you may need to create it. This typically involves modifying the instance profile or the global profile to include the necessary memory pool definitions.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction SM21) for any related errors or warnings that might provide more context about the issue.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the memory pool. This can be checked in transaction SU53 or by reviewing the user's role assignments.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message. There may be patches or updates that resolve the issue.
  
  
  
  Restart the Application Server:
  
  In some cases, restarting the application server may help in reinitializing the memory pools.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Memory Management in SAP: Understanding how SAP manages memory pools can help in troubleshooting similar issues. SAP uses different types of memory pools (e.g., heap memory, buffer memory) for various purposes.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RZ10, RZ11, SM21, and SU53 for configuration and troubleshooting.
  SAP Documentation: Refer to the official SAP documentation for detailed information on memory management and configuration settings.
  
  By following these steps, you should be able to diagnose and resolve the PAMS156 error in your SAP system.