WebSocketRLogin rlogin not defined error

I just found this in my error log, not sure what else to provide. Feel free to request additional information and where to find it.

Thu Apr  4 03:41:17 2024 master/5a2a73ae1 endofthelinebbs.com
srvc 0045 WebSocketRLogin Missing some piece of handshake data.  Here's what we have:

Thu Apr  4 03:41:17 2024 master/5a2a73ae1 endofthelinebbs.com
srvc 0045 WebSocketRLogin Version => 0

Thu Apr  4 03:41:17 2024 master/5a2a73ae1 endofthelinebbs.com
srvc 0045 WebSocketRLogin Path => /

Thu Apr  4 03:41:17 2024 master/5a2a73ae1 endofthelinebbs.com
srvc 0045 WebSocketRLogin Host => 192.138.210.158:1513

Thu Apr  4 03:41:17 2024 master/5a2a73ae1 endofthelinebbs.com
srvc 0045 WebSocketRLogin ShakeHands() failed

Thu Apr  4 03:41:17 2024 master/5a2a73ae1 endofthelinebbs.com
srvc 0045 WebSocketRLogin !JavaScript  /sbbs/mods/websocket-rlogin-service.js line 451: ReferenceError: rlogin is not defined