How To Fix RSSDA078 - Error while reading column info: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSSDA - BW HANA Smart Data Access

• Message number: 078

• Message text: Error while reading column info: &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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSSDA078 - Error while reading column info: &1 ?

  The SAP error message RSSDA078, which states "Error while reading column info: &1," typically occurs in the context of data extraction or reporting, particularly when dealing with DataSources or InfoObjects in SAP BW (Business Warehouse) or SAP HANA environments. This error indicates that there is an issue with reading metadata or column information from a database table or view.
  Causes:
  
  Missing or Inaccessible Table/View: The underlying database table or view that the DataSource is trying to access may not exist, or the user may not have the necessary permissions to access it.
  Incorrect DataSource Configuration: The DataSource may be incorrectly configured, leading to issues in reading the column information.
  Database Connectivity Issues: There may be connectivity issues between the SAP system and the database, causing the system to be unable to read the required metadata.
  Changes in Database Schema: If there have been recent changes to the database schema (e.g., columns added, removed, or renamed), the DataSource may not be updated accordingly.
  Transport Issues: If the DataSource was transported from one system to another, it may not have been properly configured in the target system.
  
  Solutions:
  
  Check Table/View Existence: Verify that the table or view referenced in the error message exists in the database and is accessible.
  Review Permissions: Ensure that the user has the necessary permissions to access the table or view.
  Validate DataSource Configuration: Check the configuration of the DataSource in SAP BW or the relevant system to ensure it is set up correctly.
  Update DataSource: If there have been changes to the underlying database schema, update the DataSource to reflect these changes. This may involve reactivating the DataSource or regenerating it.
  Check Database Connectivity: Ensure that the connection to the database is functioning correctly. This may involve checking network settings, database status, and connection parameters.
  Transport Validation: If the DataSource was transported, validate that all necessary objects and configurations were included in the transport request.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to check DataSources and InfoObjects.
  Logs and Traces: Check the system logs (transaction SLG1) for more detailed error messages that may provide additional context.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review SAP documentation related to DataSources and InfoProviders for best practices and configuration guidelines.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.