How To Fix IUUC_MAIN265 - Number of parallel tasks too high - reduce it and reexecute the report

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_MAIN - IUUC: Main Message class

• Message number: 265

• Message text: Number of parallel tasks too high - reduce it and reexecute the report

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 IUUC_MAIN265 - Number of parallel tasks too high - reduce it and reexecute the report ?

  The SAP error message IUUC_MAIN265, which states "Number of parallel tasks too high - reduce it and reexecute the report," typically occurs in the context of data replication or data transfer processes, particularly when using SAP Landscape Transformation (SLT) or similar tools. This error indicates that the system has reached the maximum limit of parallel tasks that can be executed simultaneously, which can lead to performance issues or resource exhaustion.
  
  Cause:
  
  High Parallel Task Configuration: The system is configured to allow a high number of parallel tasks, which may exceed the limits set by the system resources (CPU, memory, etc.).
  Resource Limitations: The underlying hardware or system configuration may not be able to handle the number of parallel tasks being requested.
  System Load: Other processes running on the system may be consuming resources, leaving insufficient capacity for the parallel tasks initiated by the report.
  Configuration Settings: The settings in the SLT or data replication configuration