How To Fix /SMB/BBPRJ_INST163 - Error calling &1 via RFC destination &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SMB/BBPRJ_INST -

• Message number: 163

• Message text: Error calling &1 via RFC destination &2

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 /SMB/BBPRJ_INST163 - Error calling &1 via RFC destination &2 ?

  The SAP error message /SMB/BBPRJ_INST163 Error calling &1 via RFC destination &2 typically indicates that there is an issue with a Remote Function Call (RFC) to a specified destination. This error can arise due to various reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  
  RFC Destination Configuration: The RFC destination specified in the error message may not be configured correctly. This could include incorrect connection parameters, such as the target system's IP address, port, or system ID.
  
  
  Network Issues: There may be network connectivity issues between the SAP system and the target system. This could be due to firewall settings, network outages, or incorrect routing.
  
  
  Authorization Issues: The user credentials used for the RFC call may not have the necessary authorizations to execute the function module or access the target system.
  
  
  Function Module Issues: The function module being called may not exist in the target system, or it may have been changed or deactivated.
  
  
  System Availability: The target system may be down or not available for some reason, such as maintenance or unexpected downtime.
  
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination mentioned in the error message.
  Verify the connection parameters (e.g., target host, system number, client, user, password).
  Test the connection using the "Connection Test" button.
  
  
  
  Network Troubleshooting:
  
  Ensure that there are no network issues preventing connectivity to the target system.
  Check firewall settings to ensure that the necessary ports are open for RFC communication.
  
  
  
  User Authorizations:
  
  Verify that the user credentials used for the RFC call have the necessary authorizations to execute the function module in the target system.
  Check the roles and profiles assigned to the user.
  
  
  
  Function Module Verification:
  
  Ensure that the function module being called exists in the target system and is active.
  Check for any changes or deactivations that may have occurred.
  
  
  
  System Status:
  
  Check the status of the target system to ensure it is up and running.
  If the system is down, coordinate with the system administrators to resolve the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  ST22: Dump Analysis (to check for any ABAP runtime errors)
  SM21: System Log (to check for any relevant log entries)
  SICF: Check if the HTTP services are active if the RFC is HTTP-based.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC calls or the function module in question.
  
  
  Documentation: Review the documentation for the specific function module being called to understand its requirements and dependencies.
  
  
  By following these steps, you should be able to diagnose and resolve the error message /SMB/BBPRJ_INST163 Error calling &1 via RFC destination &2. If the issue persists, consider reaching out to SAP support for further assistance.