How To Fix SABP_UNIT_CHECKMAN401 - Execution via rfc-link &3 of client &2 in system &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: SABP_UNIT_CHECKMAN - Error Texts for Adapter ABAP Unit to CheckMan

• Message number: 401

• Message text: Execution via rfc-link &3 of client &2 in system &1.

What causes this issue?

Unlike most of the static tests running ABAP Unit may have dependencies
to machine or client where it was executed. So in case you cannot
reproduce a certain error please make sure that you also try the same
system and host.
The system administrator has chosen to execute ABAP Unit not within the
system client or system by running the tests via a RFC connection.
Please check the RFC destination also.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SABP_UNIT_CHECKMAN401 - Execution via rfc-link &3 of client &2 in system &1. ?

  The SAP error message SABP_UNIT_CHECKMAN401 typically indicates an issue related to the execution of a remote function call (RFC) in a specific client and system. This error can occur in various scenarios, often related to authorization, configuration, or data consistency issues.
  Cause:
  
  Authorization Issues: The user executing the RFC may not have the necessary authorizations to perform the action in the target system or client.
  Configuration Problems: There may be configuration issues in the RFC destination or the target system that prevent the execution of the function module.
  Data Inconsistency: The data being processed may not be consistent or valid, leading to the failure of the function call.
  Network Issues: There could be network connectivity problems between the systems involved in the RFC call.
  Client-Specific Settings: The client in which the error occurs may have specific settings or restrictions that affect the execution of the function.
  
  Solution:
  
  Check Authorizations: Ensure that the user executing the RFC has the necessary authorizations in both the source and target systems. You can use transaction code SU53 to analyze authorization failures.
  Review RFC Configuration: Verify the RFC destination settings in transaction code SM59. Ensure that the connection is correctly configured and that the target system is reachable.
  Validate Data: Check the data being passed to the function module for validity and consistency. Ensure that all required fields are populated correctly.
  Network Connectivity: Test the network connection between the systems. You can use tools like ping or telnet to check connectivity.
  Client Settings: Review any client-specific settings or restrictions that may affect the execution of the function. This may include settings in transaction code SCC4 or other relevant configuration areas.
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59: To check and configure RFC destinations.
  SU53: To analyze authorization issues.
  ST22: To check for dumps that may provide more context on the error.
  SM21: To review system logs for any related error messages.
  
  
  
  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 the documentation for the specific function module being called to understand its requirements and constraints.
  
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis team or SAP support for further assistance.