How To Fix IU588 - Calculation of conversion progress triggered

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 588

• Message text: Calculation of conversion progress triggered

This process executes in the background. For this reason the effect
only becomes visible after some time (seconds to minutes).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IU588 - Calculation of conversion progress triggered ?

  The SAP error message IU588, which states "Calculation of conversion progress triggered," typically occurs in the context of the SAP system's data migration or conversion processes, particularly when using tools like the SAP S/4HANA Migration Cockpit or during system upgrades.
  Cause:
  The error message IU588 is not necessarily an error in itself but rather an informational message indicating that the system has initiated the calculation of conversion progress. This can happen due to various reasons, including:
  
  Data Migration Activities: When migrating data from an older SAP system to a newer version or from a non-SAP system to SAP, the system needs to calculate the progress of the data conversion.
  System Upgrade: During an upgrade, the system may need to assess the current state of data and how it will be converted to the new format.
  Configuration Issues: There may be issues with the configuration of the migration tools or the data being processed.
  
  Solution:
  To address the IU588 message, consider the following steps:
  
  
  Monitor Progress: Since this message indicates that the conversion progress calculation has been triggered, you should monitor the progress of the migration or upgrade process. Check the relevant logs or transaction codes (like SLG1 for application logs) to see if there are any additional messages or errors.
  
  
  Check Configuration: Ensure that the configuration settings for the migration or upgrade process are correct. This includes verifying that all necessary parameters and prerequisites are met.
  
  
  Review Data: If the conversion process is taking longer than expected, review the data being migrated. Large volumes of data or complex data structures can slow down the process.
  
  
  Consult Documentation: Refer to the official SAP documentation for the specific migration or upgrade process you are undertaking. This can provide insights into common issues and best practices.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to the IU588 message. SAP Notes often provide fixes or workarounds for specific problems.
  
  
  Technical Support: If the issue persists or if you encounter additional errors, consider reaching out to SAP Support for assistance. They can provide more detailed guidance based on your specific system configuration and the context of the error.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with transaction codes related to data migration and system upgrades, such as:
  
  LTMC: Migration Cockpit
  S/4HANA Migration: Specific tools and transactions for S/4HANA migrations.
  
  
  
  Logs and Monitoring: Use transaction codes like SLG1 (Application Log) to check for detailed logs that may provide more context about the conversion progress and any potential issues.
  
  
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their experiences and solutions.
  
  
  By following these steps, you should be able to address the IU588 message effectively and ensure a smooth data migration or system upgrade process.