How To Fix WZRE_ALE_MONITOR001 - No valid objects found for background processing

SAP Error Message - Details

• Message type: E = Error

• Message class: WZRE_ALE_MONITOR -

• Message number: 001

• Message text: No valid objects found for background processing

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WZRE_ALE_MONITOR001 - No valid objects found for background processing ?

  SAP Error Message:
  
  WZRE_ALE_MONITOR001 No valid objects found for background processing
  
  Cause:
  This error typically occurs in the context of ALE (Application Link Enabling) monitoring or processing when the system attempts to execute background processing for certain ALE objects but finds no valid objects to process. In other words, the ALE monitor or related background job is triggered, but there are no relevant or active ALE objects (such as IDocs, distribution models, or partner profiles) that meet the criteria for processing.
  Common reasons include:
  
  No active or relevant ALE objects (e.g., no IDocs in the queue, no distribution model objects assigned).
  The filter or selection criteria for the background job or monitor are too restrictive or incorrect.
  The ALE configuration is incomplete or missing (e.g., no partner profiles or message types assigned).
  The background job is scheduled but there is no data to process at that time.
  
  
  Solution:
  
  
  Check ALE Configuration:
  
  Verify that the distribution model is properly maintained and activated.
  Ensure that partner profiles and message types are correctly configured and active.
  Use transaction SALE or BD64 to check the distribution model.
  
  
  
  Verify IDoc Status and Queues:
  
  Check if there are IDocs waiting to be processed using transactions like WE02, WE05.
  Confirm that there are IDocs in the relevant status that the background job is supposed to process.
  
  
  
  Review Background Job Settings:
  
  Check the background job parameters and filters to ensure they are not excluding all objects.
  Adjust the selection criteria if necessary.
  
  
  
  Run ALE Monitor Manually:
  
  Use transaction WE20 (Partner Profiles) and WE21 (Port Definition) to verify settings.
  Run the ALE monitor manually (WE02 or WE05) to see if any objects appear.
  
  
  
  Check for Notes and Patches:
  
  Sometimes, this message can be related to specific SAP versions or patches. Check SAP Notes for any known issues related to WZRE_ALE_MONITOR001.
  
  
  
  If No Objects Are Expected:
  
  If the system is correctly configured but no objects are expected at the moment, this message can be informational and may not require action.
  
  
  
  
  Related Information:
  
  
  Transactions:
  
  BD87 – Reprocessing IDocs
  WE02 / WE05 – IDoc Display
  SALE / BD64 – Distribution Model
  WE20 – Partner Profiles
  SM37 – Job Monitoring
  
  
  
  ALE Concepts:
  
  ALE uses IDocs to exchange data between systems.
  Distribution model defines which data is sent to which partner.
  Partner profiles define how messages are processed.
  
  
  
  SAP Notes:
  
  Search SAP Support Portal for notes related to WZRE_ALE_MONITOR001 for any system-specific fixes or recommendations.
  
  
  
  
  Summary:
  The error WZRE_ALE_MONITOR001 No valid objects found for background processing means the ALE monitor or background job found no ALE objects to process. Verify ALE configuration, IDoc queues, and job parameters. If no objects are expected, the message can be informational. Otherwise, adjust configuration or job filters accordingly.