How To Fix IU801 - <<< Check of need for ICNV for tables successful

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 801

• Message text: <<< Check of need for ICNV for tables successful

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 IU801 - <<< Check of need for ICNV for tables successful ?

  The SAP error message IU801, which states "Check of need for ICNV for tables successful," typically relates to the need for an "Inconsistent Data Conversion" (ICNV) check in the context of database table consistency. This message is often encountered during system upgrades, data migrations, or when performing database operations that involve table structures.
  Cause:
  
  Database Table Changes: The error may occur when there are changes in the database schema or structure that require a check for data consistency.
  Data Migration Issues: If data has been migrated from one system to another, inconsistencies may arise that need to be addressed.
  Upgrade Issues: During an upgrade, certain tables may not be compatible with the new version, leading to the need for a consistency check.
  Custom Development: Custom developments or modifications to standard tables can also lead to inconsistencies.
  
  Solution:
  
  Run the ICNV Check: You can run the ICNV check manually to identify and resolve inconsistencies. This can typically be done using transaction codes like SE14 (Database Utility) or SE11 (Data Dictionary).
  Repair Inconsistencies: If inconsistencies are found, you may need to repair them. This could involve adjusting data, modifying table structures, or even re-running data migration scripts.
  Check for Notes: Look for SAP Notes related to the specific tables or issues you are encountering. SAP frequently releases notes that provide solutions or workarounds for known issues.
  Consult Documentation: Review the SAP documentation for your specific version and module to understand any specific requirements or steps needed to resolve the issue.
  Backup Data: Before making any changes, ensure that you have a backup of your data to prevent data loss.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE14 (Database Utility), SE11 (Data Dictionary), and SE37 (Function Module) for troubleshooting.
  SAP Notes: Regularly check the SAP Support Portal for notes related to your version and the specific error message.
  System Logs: Review system logs (transaction SM21) for additional context or related errors that may provide more insight into the issue.
  SAP Community: Engage with the SAP Community forums for discussions and solutions shared by other users who may have encountered similar issues.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.