How To Fix SMMSS_DDIC021 - MSSQL: If the column belongs to an index then conversion, otherwise age

SAP Error Message - Details

• Message type: E = Error

• Message class: SMMSS_DDIC - DDIC Messages for Microsoft SQL Server

• Message number: 021

• Message text: MSSQL: If the column belongs to an index then conversion, otherwise age

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SMMSS_DDIC021 - MSSQL: If the column belongs to an index then conversion, otherwise age ?

  The SAP error message SMMSS_DDIC021 typically indicates an issue related to data type conversion in a Microsoft SQL Server (MSSQL) database. This error can occur when there is a mismatch between the data types defined in the database schema and the data being processed or queried.
  Cause:
  
  Data Type Mismatch: The error often arises when there is an attempt to convert a value from one data type to another, and the conversion is not valid. For example, trying to convert a string that cannot be interpreted as a number.
  Index Issues: If the column in question is part of an index, the database may be trying to enforce certain constraints or optimizations that are failing due to the data type mismatch.
  Age Calculation: The mention of "age" in the error message may suggest that the error is related to a calculation or comparison involving date or time data types.
  
  Solution:
  
  Check Data Types: Review the data types of the columns involved in the query or operation that triggered the error. Ensure that the data types are compatible with the operations being performed.
  Data Validation: Validate the data being inserted or updated in the database. Ensure that it conforms to the expected data types and formats.
  Modify Queries: If the error occurs during a specific query, consider modifying the query to explicitly cast or convert data types where necessary. For example, using CAST() or CONVERT() functions in SQL to ensure proper data type handling.
  Index Review: If the column is part of an index, review the index definition and consider whether it needs to be modified or rebuilt. Sometimes, dropping and recreating the index can resolve underlying issues.
  Database Logs: Check the database logs for more detailed error messages that may provide additional context about the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to this error message for any specific patches or updates that may address the issue.
  Database Documentation: Refer to Microsoft SQL Server documentation for information on data type conversions and best practices for handling data types.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support or your database administrator for further assistance.