How To Fix IU891 - Table cluster & -> removed from ICNV

IU891 - Overview

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 891

• Message text: Table cluster & -> removed from ICNV

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 IU891 - Table cluster & -> removed from ICNV ?

  The SAP error message IU891, which states "Table cluster & -> removed from ICNV," typically indicates an issue related to the data consistency in the SAP system, particularly concerning the cluster tables and their entries in the database.
  
  Cause:
  
  
  Data Inconsistency: The error often arises when there is a mismatch or inconsistency in the cluster tables, which are used to store data in a compressed format. This can happen due to various reasons, such as:
  
  Manual deletion or modification of entries in the cluster tables.
  Issues during data migration or system upgrades.
  Corruption of data in the database.
  
  
  
  
  Configuration Issues: Sometimes, incorrect configuration settings in the system can lead to this error.
  
  
  Database Issues: Problems with the underlying database, such as corruption or misconfiguration, can also trigger this error.
  
  
  
  Solution:
  
  
  Check Data Consistency: Use transaction codes like SE11 (Data Dictionary) or SE14 (Database Utility) to check the consistency of the cluster tables. You may need to run consistency checks