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tModLoader

The official server for tModLoader, an API to mod Terraria. Collaborate and find the latest TML news!

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Game keeps crashing for seemingly no reason

I can't find anything in the logs about a crash except at the end of the steam client log. It's a ".NET has stopped responding" crash. Mod list is here: https://steamcommunity.com/sharedfiles/filedetails/?id=3554756075...

Can't open Tmodloader

I've verify and reinstalled it but it still wont open and I dont have any mods downloaded, also regular terraria works fine when I open it
No description

My game keep crashing when I die

When I my character each 0 hp my character don't die and then the game crashes The crash log said the game can't find my character file because it's being use by another process I don't know what caused this it just randomly happened one day...
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making mods need help

does anyone know where i can get a list of v2025.6.3.0 all hooks names and shi from ModPlayer.cs GlobalTile.cs anyone know

Calamity crashes when blood moon starts

every time blood moon starts my game crashes
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Keybind Combination

My friend wanted to play some T mod loader with me but I’m new too it, how could I set my key binds to a combination of two buttons on my controller, since he has so many mods I need to set multiple keybinds to one button which ruins my whole experience, but after browsing the web I can’t find any help on this problem, can anyone tell me how I can do this to my keybinds? (The example I’m showing is a default setting over the controller tab in the menu controls, set to “inventory”.
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BUG

When language = zh-Hans in serverconfig.txt, new world cannot be created in the terminal. It stuck before selecting the world sides.

Load Failed No Backup Found

Hello I had tried loading back up a world I had spent lik 10 hours on and the world when I loaded it up was blank and said Load Failed No Backup Found. I had seen this issue before and went to ccheck my files for any back ups and teh backup there looked corrupted and any online sourcesalso did not fix the issue. If anyone knows any possible workarounds that would be great or at least on how to not corrupt a multiplayer world whenever I close it as this is like the third time this has happened th...

Can someone help me with this?

just wanted to play in multiplayer and i see this

which of these mods don’t work in multiplayer?

all of them are just a list of popular mods
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Weird blue Vines/Spikes covering in-game screen and causing massive lag.

For a couple of days i've managed to deal with this issue just fine by switching to retro lighting which made it dissapear for some reason, but recently it also happened with retro lighting, i have no idea why htis is happening does anyone have any ideas? I did see another post about this but it wasnt answered there....
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Im having trouble downloading from the mod browser itself.

ive been trying to download mods, but some mods just wont download because the download speed kept decreasing
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Playthrough broken: MStorage is broken, Pylons do not work, Items are not possible to pick up

hey, so i recently started a playthrough with my friends and got to pre plantera. however, when i start up the server today, most of the stuff we use are broken, and the issues listed in the title are present there. i've tried file verification, and other issues, but have had no luck. here is a recording of the issue + logs

game stuck on "joining friend"

I can't join my friend. The game randomly kicked me out when we were playing earlier and since then when I try joining my game is stuck on "joining friend", we don't know how to fix this and the game worked just normally before this happened.
old-apricot
old-apricot8/21/2025

Crash during Autosaves

Whenever the game gets autosaved based on the logs, this error occurs [23:07:57.402] [.NET TP Worker/ERROR] [tML]: Unhandled Exception System.InvalidOperationException: Collection was modified; enumeration operation may not execute. at System.Collections.Generic.Dictionary`2.Enumerator.MoveNext() at Terraria.ModLoader.IO.TileIO.SaveTileEntities() in tModLoader\Terraria\ModLoader\IO\TileIO_TEs.cs:line 18...

time shifting back and forth

for some reason whenever i go to sleep or use a sundial, the server shifts the time back to another point of before (example, going to sleep for eye oc cuthulu then it goes back to day once it becomes night)

Game is stuttering heavily when im entering Fullscreen

First of all, i have great hardware. Ryzen 7 7800x3d and AMD 7900 xtx graphics card. When i start the game, i have very high FPS but after about 3-5 seconds in the Main Menu the game starts to stutter and drops down to around 100 FPS, eventhough still high, there is still very visible mouse stuttering which makes this unplayable. I already tried using different game launchers und turning on and off freesync, which both lead to nothing. ...