How To Fix CB255 - Error during communication with RFC destination &

CB255 - Overview

• Message type: E = Error

• Message class: CB - PP-PI-PMA: Dialog Messages for Process Management

• Message number: 255

• Message text: Error during communication with RFC destination &

What causes this issue?

An error occurred during communication with the RFC destination &V1&.

System Response

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

How to fix this error?

INCLUDE 'NA_SYSVERW' OBJECT DOKU ID TX LANGUAGE E

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CB255 - Error during communication with RFC destination & ?

  The SAP error message CB255 indicates that there is an issue with communication to a Remote Function Call (RFC) destination. This error can occur for various reasons, and understanding the cause is essential for troubleshooting. Here are some common causes, potential solutions, and related information:
  Causes of CB255 Error
  
  
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system. This includes 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 firewalls, routing problems, or network outages.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  
  
  Target System Down: The target system may be down or not reachable, which would prevent successful communication.
  
  
  SAP Gateway Issues: The SAP Gateway service may not be