Cannot host the server(tmodloader)

[Dylannguyen]

Steam or GOG

Steam

Single Player/Multiplayer

Multi

Operating System

Windows 10

Terraria Version

1.4.2.1

Controls Used

Keyboard/Mouse

So when I “Host and play” with my friend, every singleday is find then, the past hour this bug happen. When i host and then go in to the world it stay for like 15-30s and then get lost connection or invalid operation at this state. I have serveral big mod like leveled and calamity. Can someone show me how to fix,

 

[PulseBow]

This area is meant for Terraria and is not for issues with mods. For help with tModLoader itself, you might want to go to the official tModLoader support thread, tModLoader - Official tModLoader Help Thread, although I'm not sure if you will get an answer there.