How To Fix RSDDB603 - DB fallback check is starting now (&1)

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDDB - BIA Index Objects: Activate, Fill, Delete

• Message number: 603

• Message text: DB fallback check is starting now (&1)

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 RSDDB603 - DB fallback check is starting now (&1) ?

  The SAP error message RSDDB603 indicates that a fallback check is being initiated for a Data Warehouse (BW) object, typically when there are issues with the data retrieval process. This message is often related to problems with the underlying database or issues with the data model in SAP BW.
  Cause:
  
  Database Connectivity Issues: The system may be unable to connect to the database due to network issues, database server downtime, or configuration problems.
  Data Model Issues: There may be inconsistencies or errors in the data model, such as missing or incorrect data sources, InfoProviders, or transformations.
  Performance Issues: If the database is under heavy load or if there are performance bottlenecks, the system may trigger a fallback check.
  Data Consistency Problems: If there are inconsistencies in the data, such as missing records or incorrect data types, the fallback mechanism may be activated.
  
  Solution:
  
  Check Database Connectivity: Ensure that the database server is up and running, and that there are no network issues preventing access. You can test the connection from the SAP system to the database.
  Review Data Model: Check the configuration of the InfoProviders, data sources, and transformations. Ensure that all necessary objects are correctly defined and activated.
  Monitor Performance: Use transaction codes like ST22 (Dump Analysis) and SM21 (System Log) to check for any performance issues or errors that may be affecting the database.
  Data Consistency Check: Run consistency checks on the data to identify and resolve any discrepancies. You can use transaction RSCONN01 to check the connection settings and ensure that they are correct.
  Fallback Mechanism: Understand that the fallback mechanism is a safety feature. If it is triggered, it may be necessary to analyze the logs and error messages to determine the root cause and address it accordingly.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSCONN01 (Connection Check), and ST22 (Dump Analysis) for troubleshooting.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the RSDDB603 error message. SAP Notes often provide patches or workarounds for known issues.
  Documentation: Review SAP documentation related to BW and database connectivity for best practices and troubleshooting steps.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.