How To Fix IU466 - Table &: Include & is modified, ICNV not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 466

• Message text: Table &: Include & is modified, ICNV not possible

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message IU466 - Table &: Include & is modified, ICNV not possible ?

  The SAP error message IU466 ("Table &: Include & is modified, ICNV not possible") typically occurs when there is an attempt to perform an operation (like an insert, update, or conversion) on a database table or structure that has been modified in a way that is incompatible with the operation being attempted. This can happen in various scenarios, such as during data migration, system upgrades, or when using certain transaction codes.
  Cause:
  
  
  Table Modification: The error indicates that the table or its include structure has been modified. This could be due to:
  
  Changes in the data dictionary (e.g., adding or removing fields).
  Changes in the structure of the table that are not compatible with the operation being performed.
  The table might be in a state that does not allow certain operations due to locks or other constraints.
  
  
  
  Inconsistent Data: If the data in the table is inconsistent or does not meet the expected format or constraints, it can lead to this error.
  
  
  Custom Modifications: If there are custom modifications or enhancements made to the standard SAP tables or structures, these can also lead to this error.
  
  
  Solution:
  
  
  Check Table Structure: Review the structure of the table and its includes to ensure that they are correctly defined and that there are no inconsistencies. You can do this using transaction SE11 (Data Dictionary).
  
  
  Review Modifications: If there have been recent changes to the table or its includes, review those changes to ensure they are compatible with the operations being performed.
  
  
  Data Consistency Check: Perform a consistency check on the data in the table. You can use transaction SE14 (Database Utility) to check and repair inconsistencies.
  
  
  Lock Management: Ensure that there are no locks on the table that could be preventing the operation. You can check for locks using transaction SM12.
  
  
  Transport Requests: If the changes were made in a development environment and are being transported to a production environment, ensure that the transport requests are correctly imported and that there are no missing objects.
  
  
  Consult Documentation: Check SAP Notes and documentation for any known issues related to the specific table or operation you are trying to perform.
  
  
  Debugging: If the issue persists, consider debugging the program or transaction that is causing the error to identify the exact point of failure.
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE14 (Database Utility), and SM12 (Lock Management) for troubleshooting.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem continues after trying the above solutions, it may be necessary to involve your SAP Basis or development team for further investigation.