How To Fix MDC_HDB_MTC029 - Error during generation of SAP HANA SQL view &1&2

SAP Error Message - Details

• Message type: E = Error

• Message class: MDC_HDB_MTC - Message class for master data consolidation matching

• Message number: 029

• Message text: Error during generation of SAP HANA SQL view &1&2

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 MDC_HDB_MTC029 - Error during generation of SAP HANA SQL view &1&2 ?

  The SAP error message MDC_HDB_MTC029, which indicates "Error during generation of SAP HANA SQL view &1&2," typically occurs when there is an issue with the generation of a SQL view in SAP HANA. This error can arise due to various reasons, including issues with the underlying data model, syntax errors, or problems with the database itself.
  Causes:
  
  Modeling Issues: There may be inconsistencies or errors in the data model, such as missing or incorrect definitions of attributes, measures, or relationships.
  Syntax Errors: There could be syntax errors in the SQL view definition or in the underlying calculation views or tables.
  Database Constraints: Constraints such as primary key violations, foreign key issues, or data type mismatches can prevent the successful generation of the SQL view.
  Authorization Issues: The user executing the operation may not have the necessary permissions to create or modify the SQL view.
  Resource Limitations: Insufficient resources (memory, CPU) on the HANA database can lead to failures in generating views.
  Version Compatibility: There may be compatibility issues between different versions of SAP components or HANA database.
  
  Solutions:
  
  Check the Data Model: Review the data model for any inconsistencies or errors. Ensure that all attributes and measures are correctly defined and that relationships are properly set up.
  Review SQL Syntax: If you have access to the SQL view definition, check for any syntax errors or issues in the SQL code.
  Validate Data: Ensure that the underlying tables and views do not have any data integrity issues, such as duplicate keys or invalid data types.
  Check Authorizations: Verify that the user has the necessary authorizations to create or modify SQL views in the HANA database.
  Monitor System Resources: Check the HANA database for resource usage and ensure that there are sufficient resources available for the operation.
  Consult Logs: Review the HANA database logs for more detailed error messages that can provide insights into the specific cause of the failure.
  Recreate the View: If the issue persists, consider dropping and recreating the SQL view to see if that resolves the problem.
  Update SAP Components: Ensure that all relevant SAP components are up to date and compatible with each other.
  
  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.
  HANA Studio: Use HANA Studio or SAP Web IDE to analyze the SQL view and its dependencies. These tools can provide insights into the structure and potential issues.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.