How To Fix /PF1/MSG_EH269 - Value of &1 cannot be changed because the collection type is 'Queue'

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_EH -

• Message number: 269

• Message text: Value of &1 cannot be changed because the collection type is 'Queue'

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_EH269 - Value of &1 cannot be changed because the collection type is 'Queue' ?

  The SAP error message /PF1/MSG_EH269 indicates that you are trying to change a value in a collection that is defined as a "Queue." In SAP, a Queue is a specific type of collection that follows a First-In-First-Out (FIFO) principle, meaning that items are processed in the order they were added. Because of this structure, certain operations, such as changing the value of an item in the Queue, are restricted.
  Cause:
  The error occurs when:
  
  You attempt to modify an element in a Queue collection type.
  The system enforces rules that prevent changes to the elements of a Queue to maintain the integrity of the data structure.
  
  Solution:
  To resolve this error, consider the following approaches:
  
  
  Review the Requirement: Determine if you really need to change the value of the item in the Queue. If the requirement can be met without changing the Queue, that would be the best approach.
  
  
  Use a Different Collection Type: If you need to modify values frequently, consider using a different collection type that allows for modifications, such as a List or Set, depending on your use case.
  
  
  Remove and Re-add: If you must change a value in the Queue, you may need to remove the item from the Queue and then add a new item with the updated value. This approach maintains the FIFO order but allows you to effectively "change" the value.
  
  
  Check Business Logic: Ensure that the business logic does not require changing values in a Queue. If it does, you may need to rethink the design of your data handling.
  
  
  Consult Documentation: Review SAP documentation or consult with your SAP support team for specific guidelines on handling Queue collections in your version of SAP.
  
  
  Related Information:
  
  SAP Documentation: Check the official SAP Help Portal for detailed information on collection types and their behaviors.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and how they resolved them.
  Debugging: If you have access to debugging tools, you can trace the code to see where the error is being triggered and understand the context better.
  
  By following these steps, you should be able to address the error and implement a solution that aligns with your requirements.