How To Fix /SAPAPO/PUIA_POWL001 - Internal Message: Unknown selection parameter &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PUIA_POWL -

• Message number: 001

• Message text: Internal Message: Unknown selection parameter &1

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PUIA_POWL001 - Internal Message: Unknown selection parameter &1 ?

  The SAP error message /SAPAPO/PUIA_POWL001 Internal Message: Unknown selection parameter &1 typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the selection parameters used in a POWL (Personal Object Worklist) query. This error indicates that the system encountered an unknown or unrecognized selection parameter during the execution of a query.
  Causes:
  
  Incorrect Parameter Name: The selection parameter specified in the query might be misspelled or does not exist in the context of the POWL query.
  Changes in Data Model: If there have been changes to the underlying data model or the POWL configuration, it may lead to parameters that were previously valid becoming invalid.
  Custom Development: If there are custom enhancements or modifications in the POWL query, it might lead to the introduction of unknown parameters.
  Transport Issues: If the POWL configuration was transported from one system to another, some parameters may not have been included or may not exist in the target system.
  
  Solutions:
  
  Check Parameter Names: Review the selection parameters used in the POWL query and ensure that they are correctly spelled and valid.
  Review POWL Configuration: Go to the POWL configuration in the SAP system and verify that the parameters defined in the query match those expected by the system.
  Debugging: If you have access to debugging tools, you can debug the POWL query to identify where the unknown parameter is being referenced.
  Check for Changes: If there have been recent changes to the data model or POWL configuration, review those changes to ensure they are correctly implemented.
  Consult Documentation: Refer to SAP documentation or notes related to the specific POWL query you are using to ensure that you are using the correct parameters.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  POWL Configuration: You can access the POWL configuration through transaction code POWL or POWL_ADMIN to manage and configure worklists.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on POWL configuration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.