How To Fix BIZC020 - RFC error: & &

SAP Error Message - Details

• Message type: E = Error

• Message class: BIZC - Messages for Business Content (BIZC)

• Message number: 020

• Message text: RFC error: & &

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 BIZC020 - RFC error: & & ?

  The SAP error message BIZC020, which indicates an RFC (Remote Function Call) error, typically arises when there is an issue with communication between SAP systems or between an SAP system and an external system. The error message format usually includes placeholders (represented by & &) that would be filled with specific details about the error, such as the RFC destination or the specific function module that encountered the issue.
  Causes of BIZC020 RFC Error
  
  
  Network Issues: Problems with the network connection between the SAP systems can lead to RFC errors. This could be due to firewalls, routing issues, or network outages.
  
  
  RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system. This includes incorrect settings for the target system, such as the system ID, client number, user credentials, or connection type.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to execute the requested function module.
  
  
  System Availability: The target SAP system may be down or not reachable, leading to an inability to establish an RFC connection.
  
  
  Function Module Issues: The specific function module being called may not exist, may be inactive, or may have been changed in a way that is incompatible with the calling system.
  
  
  Solutions to BIZC020 RFC Error
  
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the systems involved. You can use tools like ping or traceroute to diagnose network issues.
  
  
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination that is causing the error.
  Ensure that the connection type, target host, and system ID are correct.
  Test the connection using the "Connection Test" button.
  
  
  
  Review User Authorizations: Ensure that the user credentials used for the RFC connection have the necessary authorizations to execute the function module. You can check this in transaction SU01 for user details and PFCG for role assignments.
  
  
  Check System Status: Verify that the target SAP system is up and running. You can check the system status in transaction SM51 to see if the instance is active.
  
  
  Function Module Verification: Ensure that the function module being called exists and is active. You can check this in transaction SE37 or SE80.
  
  
  Review Logs: Check the system logs for more detailed error messages. You can use transaction SM21 to view the system log and ST22 for dump analysis.
  
  
  Related Information
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the BIZC020 error.
  Documentation: Review the SAP documentation for RFC connections and troubleshooting RFC errors.
  Community Forums: Consider checking SAP Community forums or other online resources for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with your SAP Basis team or SAP support for further assistance.