How To Fix RD026 - SAPI error occurred when creating the DataSource

SAP Error Message - Details

• Message type: E = Error

• Message class: RD - CO-PA Connection to SAP BW

• Message number: 026

• Message text: SAPI error occurred when creating the DataSource

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 RD026 - SAPI error occurred when creating the DataSource ?

  The SAP error message RD026, which states "SAPI error occurred when creating the DataSource," typically indicates an issue related to the creation of a DataSource in SAP BW (Business Warehouse) or SAP BI (Business Intelligence). This error can arise from various causes, and here are some common reasons along with potential solutions:
  Causes:
  
  Incorrect Source System Configuration: The source system may not be properly configured or connected to the SAP BW system.
  Authorization Issues: The user creating the DataSource may not have the necessary authorizations to perform this action.
  Technical Settings: There may be issues with the technical settings of the DataSource, such as incorrect field mappings or data types.
  DataSource Already Exists: A DataSource with the same name may already exist, leading to conflicts.
  Transport Issues: If the DataSource is being created in a transportable environment, there may be issues with transport requests.
  System Performance: Temporary system performance issues or locks may prevent the DataSource from being created.
  
  Solutions:
  
  
  Check Source System Configuration:
  
  Ensure that the source system is correctly configured in the SAP BW system.
  Verify the connection settings and test the connection to the source system.
  
  
  
  Review Authorizations:
  
  Check the user authorizations for the user attempting to create the DataSource.
  Ensure that the user has the necessary roles and permissions to create DataSources.
  
  
  
  Validate Technical Settings:
  
  Review the technical settings of the DataSource being created.
  Ensure that all field mappings and data types are correctly defined.
  
  
  
  Check for Existing DataSource:
  
  Verify if a DataSource with the same name already exists in the system.
  If it does, consider using a different name or modifying the existing DataSource.
  
  
  
  Transport Request Issues:
  
  If applicable, check the transport requests for any issues or errors.
  Ensure that the transport requests are correctly released and imported.
  
  
  
  System Performance:
  
  Monitor the system performance and check for any locks or performance bottlenecks.
  If necessary, wait for a while and try creating the DataSource again.
  
  
  
  Additional Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to manage DataSources and check for errors.
  Logs and Traces: Check the system logs (transaction SM21) and the application logs (transaction SLG1) for more detailed error messages that can provide additional context.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RD026.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.