Empty hook crashing, works fine in another mod

/* Full exception:
<MiniModLoader> [ERROR] System.Reflection.ReflectionTypeLoadException: The classes in the module cannot be loaded.
  at (wrapper managed-to-native) System.Reflection.Assembly:GetTypes (bool)
  at System.Reflection.Assembly.GetTypes () [0x00000] in <filename unknown>:0
  at Harmony.HarmonyInstance.PatchAll (System.Reflection.Assembly assembly) [0x00000] in <filename unknown>:0
  at Harmony.HarmonyInstance.PatchAll () [0x00000] in <filename unknown>:0
  at SpikedSwords.Mod.AfterModsLoaded () [0x00000] in <filename unknown>:0
  at spacechase0.MiniModLoader.ApiImpl.Mods.ModManager.Initialize () [0x00000] in <filename unknown>:0
*/

using Harmony;
using spacechase0.MiniModLoader.Api;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;

namespace SpikedSwords
{
    [HarmonyPatch(typeof(TextMgr))]
    [HarmonyPatch("Load")]
    public static class TextHook
    {
        public static void Postfix(string str, object ___texts)
        {
        }
    }
}