The video player cannot establish a handshake with the server.
Whether you are a developer troubleshooting a server or a viewer trying to watch a high-definition clip, understanding the 505 error is the first step toward fixing your playback. What is a 505 Error? 505 mp4
Even if the video starts, the "handshake" error may prevent the server from sending specific "chunks" of the MP4 file. The video player cannot establish a handshake with