How To Fix RSDS_ACCESS027 - Unknown error while uploading data from the DB table

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS_ACCESS - Access Messages

• Message number: 027

• Message text: Unknown error while uploading data from the DB table

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDS_ACCESS027 - Unknown error while uploading data from the DB table ?

  The SAP error message RSDS_ACCESS027 typically indicates an issue encountered while trying to upload data from a database table into SAP BW (Business Warehouse). This error can arise due to various reasons, and understanding the cause is crucial for finding an appropriate solution.
  Possible Causes:
  
  
  Database Connection Issues: There may be problems with the connection to the database, such as network issues, incorrect connection parameters, or database server downtime.
  
  
  Authorization Issues: The user executing the data upload may not have the necessary authorizations to access the database table or the data source.
  
  
  Data Source Configuration: The data source may not be correctly configured in SAP BW. This includes incorrect settings in the DataSource or issues with the extraction method.
  
  
  Data Format Issues: The data being uploaded may not conform to the expected format or structure, leading to parsing errors.
  
  
  System Resource Limitations: Insufficient memory or processing power on the SAP BW system can lead to errors during data uploads.
  
  
  Database Table Locking: The database table may be locked by another process, preventing access during the upload.
  
  
  Solutions:
  
  
  Check Database Connection:
  
  Verify the connection settings in the SAP BW system.
  Ensure that the database server is up and running and that there are no network issues.
  
  
  
  Review Authorizations:
  
  Check the user roles and authorizations to ensure that the user has the necessary permissions to access the database table.
  
  
  
  Validate Data Source Configuration:
  
  Review the configuration of the DataSource in SAP BW. Ensure that all settings are correct and that the extraction method is properly defined.
  
  
  
  Inspect Data Format:
  
  Check the data in the database table for any inconsistencies or formatting issues that may cause errors during the upload.
  
  
  
  Monitor System Resources:
  
  Check the system performance and resource usage. If necessary, optimize the system or schedule the upload during off-peak hours.
  
  
  
  Check for Table Locks:
  
  Investigate if the database table is locked by another process. If so, wait for the lock to be released or resolve the locking issue.
  
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to check DataSource settings and monitor data loads.
  Logs and Traces: Review the logs in the SAP BW system for more detailed error messages. You can use transaction SLG1 to check application logs.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the RSDS_ACCESS027 error.
  
  If the problem 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 steps you have already taken.