On Linux systems, the application often looks for the core in a specific system directory or a local user share.
Many developers do not include the core in the main application download to keep file sizes small or for legal reasons. Without this file (usually named xray.exe on Windows or xray on Linux/macOS), the software cannot connect to any servers. How to Fix "Core Not Found(xray)" on Windows (v2rayN)
This guide provides a comprehensive walkthrough of what this error means and how to fix it for various platforms. What is the Xray Core?
: The error message usually specifies where it expects the core to be (e.g., /home/user/.local/share/v2rayN/bin/xray ).