How To Fix WES_OUTBOUND045 - Filter &1 and &2 are equal, due to equal implementing class &3

SAP Error Message - Details

• Message type: E = Error

• Message class: WES_OUTBOUND - Messages for Outbound Services

• Message number: 045

• Message text: Filter &1 and &2 are equal, due to equal implementing class &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WES_OUTBOUND045 - Filter &1 and &2 are equal, due to equal implementing class &3 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WES_OUTBOUND045: Filter &1 and &2 are equal, due to equal implementing class &3
  
  Cause:
  This error occurs in the context of SAP PI/PO (Process Integration / Process Orchestration) or SAP middleware when configuring filters for outbound processing in the Integration Engine or Adapter Engine.
  
  The message indicates that two filters (&1 and &2) are considered equal because they use the same implementing class (&3).
  Filters are used to determine which messages or interfaces should be processed or routed.
  Having two filters with the same implementing class and identical criteria leads to ambiguity or redundancy.
  This can cause conflicts in message processing, as the system cannot distinguish between the two filters.
  
  
  When does it typically occur?
  
  When defining multiple filters in the Outbound Processing configuration.
  When custom filter classes are implemented and assigned to filters.
  When filters are copied or created without changing the implementing class or filter criteria.
  During configuration of Adapter Modules or Routing Rules in SAP PI/PO.
  
  
  Solution:
  
  
  Check the Filters:
  
  Go to the filter configuration in the Integration Directory or the relevant configuration tool.
  Identify filters &1 and &2 mentioned in the error message.
  
  
  
  Verify Implementing Classes:
  
  Check the implementing class &3 assigned to both filters.
  If both filters use the same class, determine if this is intentional.
  
  
  
  Modify Filters:
  
  If the filters are meant to be different, assign different implementing classes or adjust the filter criteria so they are not identical.
  If the filters are duplicates, remove or deactivate one of them to avoid redundancy.
  
  
  
  Custom Implementing Classes:
  
  If you are using custom filter classes, ensure that each filter has a unique class or that the logic inside the class can differentiate between filters.
  
  
  
  Transport and Deployment:
  
  After changes, transport the configuration and test the outbound processing to confirm the error is resolved.
  
  
  
  
  Additional Information:
  
  Filter Implementing Class: This is a Java class or ABAP class that contains the logic to filter messages.
  Filter Criteria: Conditions or parameters that determine which messages pass through the filter.
  Integration Directory: The SAP PI/PO tool where filters and routing rules are configured.
  Error Message Variables:
  
  &1 = Name of the first filter
  &2 = Name of the second filter
  &3 = Name of the implementing class
  
  
  
  
  Summary:
  The error WES_OUTBOUND045 indicates a configuration issue where two filters are effectively the same because they share the same implementing class, causing ambiguity in message processing. The solution is to review and adjust the filters or their implementing classes to ensure uniqueness and clarity in outbound message filtering.
  
  If you need help locating the filters or modifying the implementing classes, please provide more details about your SAP system version and the context where this error occurs.