How To Fix IU834 - <<< ICNV candidates must be analyzed in phase PREPARE of the upgrade

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 834

• Message text: <<< ICNV candidates must be analyzed in phase PREPARE of the upgrade

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IU834 - <<< ICNV candidates must be analyzed in phase PREPARE of the upgrade ?

  The SAP error message IU834 indicates that there are issues related to the conversion of data during an upgrade process, specifically concerning the analysis of ICNV (Internal Conversion) candidates. This error typically arises during the upgrade of an SAP system when the system is unable to properly analyze or convert certain data types or structures that are required for the upgrade.
  Cause:
  
  Data Inconsistencies: There may be inconsistencies or issues with the data in the database that prevent the upgrade process from proceeding smoothly.
  Missing or Incorrect Configuration: The system may be missing necessary configurations or settings that are required for the upgrade.
  Custom Code Issues: Custom developments or modifications in the system may not be compatible with the new version, leading to conversion issues.
  Upgrade Preparation Steps Not Completed: Certain prerequisite steps in the upgrade preparation phase may not have been completed, leading to this error.
  
  Solution:
  
  Analyze ICNV Candidates: Use the SAP tools provided for upgrade preparation to analyze the ICNV candidates. This can often be done using transaction codes like SPDD and SPAU to manage modifications and adjustments.
  Check Upgrade Guide: Refer to the specific upgrade guide for your SAP version. It will provide detailed steps and checks that need to be performed before the upgrade.
  Run Pre-Checks: Execute the pre-checks provided by SAP to identify any potential issues before proceeding with the upgrade.
  Data Consistency Checks: Perform data consistency checks to ensure that the data in the system is valid and does not contain any errors that could affect the upgrade.
  Custom Code Adjustments: Review and adjust any custom code that may be causing issues. This may involve modifying or rewriting certain parts of the code to ensure compatibility with the new version.
  Consult SAP Notes: Look for relevant SAP Notes that address this specific error message. SAP frequently releases notes that provide solutions or workarounds for known issues.
  Engage SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They can provide guidance based on the specific details of your system and upgrade scenario.
  
  Related Information:
  
  Upgrade Preparation: Ensure that you have followed all the necessary steps in the upgrade preparation phase, including system checks, data backups, and configuration validations.
  SAP Notes: Regularly check the SAP Support Portal for any notes related to your specific version and the error message IU834.
  Documentation: Review the official SAP documentation for the upgrade process, which often includes troubleshooting sections for common errors encountered during upgrades.
  
  By following these steps, you should be able to address the IU834 error and successfully proceed with your SAP upgrade.