How To Fix RSAR743 - Change to source system not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAR - Data Transfer and Metadata Maintenance

• Message number: 743

• Message text: Change to source system not possible

What causes this issue?

The change to RFC parameters is not possible for source systems with
manual meta data adjustment and data transfer from files.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSAR743 - Change to source system not possible ?

  The SAP error message RSAR743 ("Change to source system not possible") typically occurs in the context of SAP BW (Business Warehouse) when there is an attempt to modify a source system that is not allowed due to certain constraints or conditions. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Source System Status: The source system may be in a status that does not allow changes. For example, it might be set to "inactive" or "not modifiable."
  Data Transfer Process (DTP) Issues: If there are active DTPs or other processes that depend on the source system, changes may be restricted.
  Authorization Issues: The user attempting to make the change may not have the necessary authorizations to modify the source system.
  Technical Constraints: There may be technical constraints or dependencies that prevent changes to the source system, such as ongoing data loads or other processes.
  Configuration Errors: There could be configuration errors in the source system settings that need to be addressed.
  
  Solutions:
  
  Check Source System Status: Verify the status of the source system in the SAP BW system. If it is inactive, consider activating it or ensuring that it is in a modifiable state.
  Review DTPs and Processes: Check for any active DTPs or processes that might be locking the source system. You may need to stop or adjust these processes before making changes.
  User Authorizations: Ensure that the user has the necessary authorizations to modify the source system. This may involve checking roles and permissions in the SAP system.
  Technical Review: Investigate any technical constraints or dependencies that might be preventing changes. This may involve checking logs or system messages for additional context.
  Configuration Check: Review the configuration settings of the source system to ensure that there are no errors or misconfigurations that need to be corrected.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to access the source system settings and check for issues.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Refer to SAP documentation for detailed information on managing source systems in BW, including best practices for configuration and maintenance.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation and support.