How To Fix SMMSS_DDIC029 - MSSQL: Error when calculating the field lengths

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 029

• Message text: MSSQL: Error when calculating the field lengths

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SMMSS_DDIC029 - MSSQL: Error when calculating the field lengths ?

  The SAP error message SMMSS_DDIC029 typically indicates an issue related to the calculation of field lengths in a Microsoft SQL Server (MSSQL) database. This error can arise during various operations, such as data extraction, report generation, or when performing database operations that involve field length calculations.
  Causes:
  
  Data Type Mismatch: The error may occur if there is a mismatch between the data types defined in the SAP system and those in the MSSQL database.
  Field Length Exceedance: If the defined field lengths in the database exceed the maximum allowed lengths for the corresponding data types in SAP, this error can occur.
  Corrupted Database Objects: Corruption in database objects, such as tables or views, can lead to issues when calculating field lengths.
  Database Configuration Issues: Incorrect configuration settings in the MSSQL database can also lead to this error.
  SAP Notes or Patches: Sometimes, specific SAP Notes or patches may address known issues related to this error.
  
  Solutions:
  
  Check Data Types: Verify that the data types and lengths defined in the SAP system match those in the MSSQL database. Adjust them if necessary.
  Review Field Lengths: Ensure that the field lengths in the database do not exceed the maximum lengths defined in the SAP data dictionary.
  Database Integrity Check: Perform a database integrity check to identify and repair any corrupted objects.
  Update SAP System: Check for any relevant SAP Notes or patches that may address this specific error. Implement any recommended updates.
  Consult SAP Documentation: Review SAP documentation for any specific guidelines related to MSSQL and field length calculations.
  Database Configuration Review: Ensure that the MSSQL database is configured correctly, including settings related to data types and field lengths.
  
  Related Information:
  
  SAP Notes: Search for SAP Notes related to the error code SMMSS_DDIC029 in the SAP Support Portal. These notes may provide specific fixes or workarounds.
  MSSQL Documentation: Review Microsoft SQL Server documentation for information on data types and field lengths.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.