How To Fix WZRE_ALE_MONITOR2027 - Scenario: Distribution by jobs (Maximum number of jobs &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: WZRE_ALE_MONITOR2 - IDoc Monitor

• Message number: 027

• Message text: Scenario: Distribution by jobs (Maximum number of jobs &1)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WZRE_ALE_MONITOR2027 - Scenario: Distribution by jobs (Maximum number of jobs &1) ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WZRE_ALE_MONITOR2027
  
  Text: Scenario: Distribution by jobs (Maximum number of jobs &1)
  
  Cause:
  This error occurs in the ALE (Application Link Enabling) monitoring or distribution process when the number of jobs scheduled or running for a particular distribution scenario exceeds the maximum allowed limit. The system has a predefined limit on how many parallel or concurrent jobs can be executed for ALE distribution to avoid system overload or performance degradation.
  In other words, the distribution scenario tries to start more jobs than the configured maximum number, and the system blocks further job creation to maintain stability.
  
  Explanation:
  
  ALE distribution scenarios often run in batch jobs.
  To control system load, SAP limits the number of parallel jobs.
  When this limit is reached, the system throws this error to prevent additional jobs from being scheduled.
  This is a safeguard to avoid overloading the system with too many parallel ALE distribution jobs.
  
  
  Solution:
  
  
  Check the Maximum Number of Jobs Allowed:
  
  The maximum number of jobs allowed for ALE distribution is controlled by a parameter or configuration.
  You can check and adjust this limit in the relevant configuration or via transaction codes related to ALE monitoring or distribution.
  
  
  
  Reduce the Number of Running Jobs:
  
  Use transaction SM37 (Job Monitoring) to check the currently running or scheduled jobs related to the distribution scenario.
  Cancel or delete unnecessary or stuck jobs to free up slots.
  
  
  
  Increase the Maximum Number of Jobs (if system resources allow):
  
  If your system can handle more parallel jobs, increase the maximum allowed number.
  This can be done by adjusting the parameter in the ALE monitoring configuration or via customizing.
  For example, in some systems, this is controlled via the table WZRE_DISTRIBUTION or via the ALE monitoring customizing.
  
  
  
  Optimize Job Scheduling:
  
  Instead of running many parallel jobs, consider scheduling jobs sequentially or in smaller batches.
  Review the distribution scenario design to optimize job execution.
  
  
  
  Check for Stuck or Long-Running Jobs:
  
  Sometimes jobs do not finish properly and remain in the system, occupying job slots.
  Identify and resolve such jobs.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM37 – Job Monitoring
  WE02 / WE05 – IDoc Monitoring
  BD87 – Reprocessing IDocs
  WE20 – Partner Profiles (ALE configuration)
  SALE – ALE Monitoring
  
  
  
  Tables:
  
  WZRE_DISTRIBUTION – Distribution scenario settings
  TBDLS – Logical systems
  
  
  
  Notes and Documentation:
  
  Check SAP Notes related to ALE job scheduling and monitoring.
  Review SAP Help Portal documentation on ALE and IDoc processing.
  
  
  
  
  Summary:
  
  
  
  Aspect
  Description
  
  
  
  
  Cause
  Number of ALE distribution jobs exceeds the maximum allowed limit.
  
  
  Effect
  System blocks creation of new jobs for the distribution scenario.
  
  
  Solution
  Check and reduce running jobs, increase max job limit if possible, optimize job scheduling.
  
  
  Tools
  SM37, WE02, WE05, BD87, WE20, SALE
  
  
  
  
  If you provide your SAP system version or more context, I can help with exact steps or parameter names.
  
  Let me know if you need help with specific transaction steps or configuration!