How To Fix IUUC_MOD059 - Table &1: Activity &2 is already scheduled

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_MOD - Message Class for IUCC Model Classes (Generics)

• Message number: 059

• Message text: Table &1: Activity &2 is already scheduled

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_MOD059 - Table &1: Activity &2 is already scheduled ?

  The SAP error message IUUC_MOD059 indicates that there is an attempt to schedule an activity for a table that is already scheduled for processing. This typically occurs in the context of SAP Landscape Transformation (SLT) or Data Replication processes, where multiple activities or jobs may be trying to access or modify the same table concurrently.
  Cause:
  
  Concurrent Scheduling: The error usually arises when there is an attempt to schedule a replication or transformation task for a table that is already in the process of being scheduled or executed.
  Configuration Issues: There may be misconfigurations in the SLT setup that lead to overlapping scheduling of tasks.
  Manual Interventions: If users are manually trying to schedule tasks without checking the current status of the table, it can lead to this error.
  
  Solution:
  
  Check Current Jobs: Use transaction codes like SM37 to check the status of background jobs related to the table in question. If a job is already running, you may need to wait for it to complete.
  Review SLT Configuration: Ensure that the SLT configuration is set up correctly and that there are no overlapping schedules for the same table.
  Cancel or Reschedule: If you find that a job is stuck or not progressing, you may need to cancel it and then reschedule the task after ensuring that no other jobs are scheduled for the same table.
  Monitor Logs: Check the SLT logs for any additional error messages or warnings that might provide more context on why the scheduling conflict is occurring.
  Consult Documentation: Refer to SAP documentation or notes related to SLT and IUUC_MOD059 for any specific recommendations or patches that may address this issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SLT, SM37, and SLG1 for monitoring and troubleshooting.
  SAP Notes: Search for SAP Notes related to IUUC_MOD059 for any known issues or fixes.
  SLT Documentation: Review the official SAP documentation on SLT for best practices in scheduling and managing replication tasks.
  
  By following these steps, you should be able to resolve the IUUC_MOD059 error and ensure that your data replication processes run smoothly.