How To Fix CNV_IUUC_DB_CONN088 - Error creating table &1: Invalid index column

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_DB_CONN - db connection

• Message number: 088

• Message text: Error creating table &1: Invalid index column

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_DB_CONN088 - Error creating table &1: Invalid index column ?

  The SAP error message CNV_IUUC_DB_CONN088 typically occurs during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services. This error indicates that there is an issue with creating a database table due to an invalid index column.
  Cause:
  The error can be caused by several factors, including:
  
  Invalid Data Types: The index column specified for the table may have an unsupported or invalid data type.
  Column Length Issues: The length of the index column may exceed the maximum allowed length for an index in the database.
  Duplicate Index Names: There may be an attempt to create an index with a name that already exists in the database.
  Database Constraints: The database may have constraints that prevent the creation of the index, such as foreign key constraints or unique constraints.
  Configuration Issues: There may be misconfigurations in the data migration settings or parameters.
  
  Solution:
  To resolve the CNV_IUUC_DB_CONN088 error, you can take the following steps:
  
  
  Check Data Types: Review the data types of the columns being used as index columns. Ensure they are supported by the database and are appropriate for indexing.
  
  
  Review Column Lengths: Ensure that the lengths of the index columns do not exceed the maximum allowed lengths for indexes in your database system.
  
  
  Check for Duplicate Indexes: Verify that the index name you are trying to create does not already exist in the database. If it does, consider renaming the index.
  
  
  Examine Database Constraints: Look for any existing constraints that might be causing the issue. You may need to adjust or remove conflicting constraints.
  
  
  Review Migration Configuration: Check the configuration settings for the data migration process. Ensure that all parameters are set correctly and that there are no misconfigurations.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific tools you are using (e.g., SLT, Data Services) for any additional guidance on index creation and limitations.
  
  
  Database Logs: Check the database logs for more detailed error messages that might provide additional context for the issue.
  
  
  Testing: If possible, try creating the table manually in the database with the same index settings to see if the error persists. This can help isolate whether the issue is with the migration tool or the database itself.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  Documentation: Review the official SAP documentation for the specific version of the tools you are using, as there may be version-specific considerations.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_IUUC_DB_CONN088 error.