How To Fix IU064 - Index name of table & is too long - ICNV not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 064

• Message text: Index name of table & is too long - ICNV not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IU064 - Index name of table & is too long - ICNV not possible ?

  The SAP error message IU064 indicates that the index name for a specified table is too long, which prevents the creation of an index. This error typically arises when the index name exceeds the maximum length allowed by the SAP system.
  Cause:
  
  Index Name Length: In SAP, the maximum length for an index name is usually limited to 32 characters. If the index name generated for a table exceeds this limit, the error IU064 will be triggered.
  Table Structure: The structure of the table may have been defined in such a way that the generated index name becomes too long, especially if it includes multiple fields or has a complex naming convention.
  
  Solution:
  
  
  Shorten Index Name: Review the index definition and try to shorten the name. This can be done by:
  
  Renaming the index to a more concise name.
  Reducing the number of fields included in the index if possible.
  
  
  
  Modify Table Definition: If the table structure allows, consider modifying the fields that are part of the index to ensure that the generated name does not exceed the character limit.
  
  
  Use Custom Naming: If you are using a naming convention that automatically generates index names, consider implementing a custom naming strategy that adheres to the length restrictions.
  
  
  Check for Existing Indexes: Ensure that there are no existing indexes with the same name or similar names that could be causing conflicts.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on naming conventions and index creation.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. Sometimes, SAP releases notes that provide additional context or solutions for known issues.
  Transaction Codes: You can use transaction codes like SE11 (Data Dictionary) to view and modify table definitions and indexes.
  Performance Considerations: When creating indexes, consider the performance implications. While indexes can speed up data retrieval, they can also slow down data modification operations (INSERT, UPDATE, DELETE).
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or ABAP team for further assistance.