How To Fix WES_OUTBOUND044 - A simple filter already exists at filter object &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WES_OUTBOUND - Messages for Outbound Services

• Message number: 044

• Message text: A simple filter already exists at filter object &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 WES_OUTBOUND044 - A simple filter already exists at filter object &1 ?

  SAP Error Message:
  
  WES_OUTBOUND044: A simple filter already exists at filter object &1
  
  Cause:
  This error occurs in SAP PI/PO (Process Integration / Process Orchestration) or SAP PO Integration Directory when you try to add a simple filter to a filter object (such as a communication channel, receiver determination, interface determination, etc.) where a simple filter is already defined.
  In SAP PI/PO, filters are used to route messages based on certain criteria. There are two types of filters:
  
  Simple Filter: Allows only one filter condition per filter object.
  Complex Filter: Allows multiple filter conditions combined with logical operators.
  
  The error indicates that you are attempting to add a second simple filter to the same filter object, which is not allowed because a simple filter can only exist once per filter object.
  
  Solution:
  
  
  Check Existing Filters:
  
  Go to the Integration Directory.
  Open the relevant filter object (e.g., Receiver Determination, Interface Determination, Communication Channel).
  Check if a simple filter already exists.
  
  
  
  Modify Filter Type:
  
  If you need multiple filter conditions, convert the simple filter to a complex filter.
  Complex filters allow multiple conditions combined with AND/OR logic.
  
  
  
  Remove or Adjust Filters:
  
  If you only need one filter condition, remove the existing simple filter before adding a new one.
  Alternatively, consolidate your filter conditions into a single simple filter if possible.
  
  
  
  Save and Activate:
  
  After adjusting the filters, save and activate the configuration.
  
  
  
  
  Related Information:
  
  
  Filter Objects in SAP PI/PO: Used in routing messages based on message attributes.
  
  
  Simple vs Complex Filters:
  
  Simple Filter: Single condition, easier but limited.
  Complex Filter: Multiple conditions, more flexible.
  
  
  
  Where Filters Are Used:
  
  Receiver Determination
  Interface Determination
  Communication Channel
  Module Configuration
  
  
  
  SAP Notes and Documentation:
  
  Check SAP Help Portal for Integration Directory filters.
  SAP Notes related to filter configuration issues.
  
  
  
  
  Summary:
  
  Cause: Attempting to add a second simple filter to a filter object that already has one.
  Solution: Use a complex filter for multiple conditions or remove the existing simple filter before adding a new one.
  
  
  If you provide the exact context (e.g., which filter object you are working on), I can give more tailored advice.