[16:48:50] [.NET ThreadPool Worker/FATAL] [tML]: One or more errors occured while unloading and tModLoader must be restarted to prevent further issues.
Yggdrasil was unable to unload properly. Modders must use defensive programming to ensure unloading completes regardless of any errors during loading.
System.NullReferenceException: Object reference not set to an instance of an object.
at Yggdrasil.Runes.Effects.RuneEffects.Dispose() in Yggdrasil\Runes\Effects\RuneEffects.cs:line 33
at Terraria.ModLoader.Mod.UnloadContent() in tModLoader\Terraria\ModLoader\Mod.Internals.cs:line 29
at Terraria.ModLoader.ModContent.UnloadModContent() in tModLoader\Terraria\ModLoader\ModContent.cs:line 435
at Terraria.ModLoader.ModLoader.Mods_Unload() in tModLoader\Terraria\ModLoader\ModLoader.cs:line 231
at Terraria.ModLoader.ModLoader.Unload() in tModLoader\Terraria\ModLoader\ModLoader.cs:line 197
[16:49:05] [Main Thread/DEBUG] [tML]: Process.Start (UseShellExecute = True): "tModLoader-Logs"
Not sure if it's tmodloader's fault or something else.