How To Fix FDT_HANA020 - A SQL exception occured during the execution of a HANA catalog query

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_HANA - BRFplus: HANA Integration

• Message number: 020

• Message text: A SQL exception occured during the execution of a HANA catalog query

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 FDT_HANA020 - A SQL exception occured during the execution of a HANA catalog query ?

  The SAP error message FDT_HANA020 indicates that a SQL exception occurred during the execution of a HANA catalog query. This error can arise from various issues related to the HANA database or the query being executed. Below are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Database Connectivity Issues: There may be problems with the connection between the SAP application and the HANA database.
  SQL Syntax Errors: The SQL query being executed may contain syntax errors or invalid SQL statements.
  Insufficient Permissions: The user executing the query may not have the necessary permissions to access the required database objects.
  Resource Limitations: The HANA database may be experiencing resource limitations, such as memory or CPU constraints.
  Data Model Issues: There may be issues with the data model or the structure of the tables being queried.
  HANA Database Configuration: Misconfigurations in the HANA database settings can lead to query execution failures.
  
  Solutions:
  
  
  Check Database Connectivity:
  
  Ensure that the connection to the HANA database is active and functioning properly. Test the connection from the SAP application to the HANA database.
  
  
  
  Review SQL Query:
  
  Analyze the SQL query that triggered the error. Look for syntax errors or invalid references to database objects. You can use tools like HANA Studio or SQL Console to test the query directly.
  
  
  
  Verify User Permissions:
  
  Check the permissions of the user executing the query. Ensure that the user has the necessary rights to access the relevant tables and views in the HANA database.
  
  
  
  Monitor Resource Usage:
  
  Use HANA monitoring tools to check for resource usage and performance issues. If the database is under heavy load, consider optimizing queries or increasing resources.
  
  
  
  Check Data Model:
  
  Review the data model for any inconsistencies or issues. Ensure that all required tables and views are correctly defined and accessible.
  
  
  
  Review HANA Configuration:
  
  Check the configuration settings of the HANA database. Ensure that it is properly configured to handle the expected workload.
  
  
  
  Consult Logs:
  
  Review the application and database logs for more detailed error messages that can provide additional context about the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  HANA Documentation: Refer to the official SAP HANA documentation for guidance on SQL syntax, database configuration, and performance tuning.
  Community Forums: Engage with the SAP Community or other forums where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurred.