How To Fix FL170 - Unable to call & by RFC

FL170 - Overview

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 170

• Message text: Unable to call & by RFC

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 FL170 - Unable to call & by RFC ?

  The SAP error message FL170 "Unable to call & by RFC" typically indicates that there is an issue with Remote Function Call (RFC) communication between systems. This error can occur for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes:
  
  
  RFC Destination Issues: The RFC destination may not be correctly configured or may be inactive. This can happen if the destination is not set up in transaction SM59 or if there are connectivity issues.
  
  
  Network Problems: There may be network issues preventing the systems from communicating. This could include firewall settings, network outages, or incorrect IP addresses.
  
  
  Authorization Issues: The user credentials used for the RFC call may not have the necessary authorizations to execute the function module.
  
  
  Function Module Not Available: The function module being called may not exist in the target system or may not be activated.
  
  
  System Configuration: There may be configuration issues in the SAP system