Cannot connect to WebSocket server [FIXED]

I cannot connect to a WebSocket server using /connect. I tried multiple different scripts, but none of them work.

 

Scripts used:

https://github.com/eDroiid/BedrockWS

https://github.com/teak1/Minecraft-bedrock-nodejs-websocket

https://gist.github.com/pirosuke/1ca2aa4d8920f41dfbabcbc7dc2a669f#file-minecraft_set_block-js