How To Fix IU628 - Ad hoc ICNV for table cluster with kernel release & not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 628

• Message text: Ad hoc ICNV for table cluster with kernel release & not possible

What causes this issue?

You tried to enter a table cluster for incremental conversion. In ad
hoc conversions, you need at least one kernel release of 40A or higher.

System Response

The table is not entered for conversion.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IU628 - Ad hoc ICNV for table cluster with kernel release & not possible ?

  The SAP error message IU628 indicates that an ad hoc conversion (ICNV) for a table cluster is not possible due to the kernel release. This error typically arises when there is an attempt to perform an operation that is not supported by the current version of the SAP kernel.
  Cause:
  
  Kernel Version: The error often occurs when the SAP kernel version is outdated or does not support the specific operation being attempted. This can happen if the system is running an older version of the kernel that lacks the necessary functionality for handling certain table clusters.
  Table Cluster Issues: The specific table cluster being accessed may have issues or may not be properly defined in the system.
  Configuration Issues: There may be configuration settings that are not aligned with the requirements for the operation being performed.
  
  Solution:
  
  Upgrade the SAP Kernel: The most common solution is to upgrade the SAP kernel to a more recent version that supports the required functionality. You can check the SAP Support Portal for the latest kernel versions and upgrade instructions.
  Check Table Definitions: Ensure that the table cluster definitions are correct and that there are no inconsistencies in the data model.
  Review Configuration: Check the configuration settings related to the table clusters and ensure they are set up correctly.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP Notes often provide patches or workarounds for known issues.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. They can provide more specific guidance based on your system configuration and the exact nature of the error.
  
  Related Information:
  
  SAP Notes: Search for SAP Notes related to error IU628 or ad hoc conversions for table clusters. These notes may provide additional context or solutions.
  Kernel Upgrade Documentation: Review the documentation for upgrading the SAP kernel, as it will provide step-by-step instructions and considerations for your specific environment.
  System Logs: Check system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to diagnose and resolve the IU628 error in your SAP system.