im making a RPG modpack for myself, and i wanted to add this mod, but when i open a world with it in the pack it crashes instantly. if anyone has a possible solution id appreciate it.

crash report:

java.lang.ClassCastException: class net.minecraft.class_2371 cannot be cast to class furgl.infinitory.impl.lists.SlotDefaultedList (net.minecraft.class_2371 and furgl.infinitory.impl.lists.SlotDefaultedList are in unnamed module of loader net.fabricmc.loader.launch.knot.KnotClassLoader @66c61024)
at net.minecraft.class_1703.getInfinitorySlots(class_1703.java:965)
at net.minecraft.class_1703.updateExtraSlots(class_1703.java:1023)
at net.minecraft.class_1703.handler$bbe000$syncStateAddExtraSlots(class_1703.java:1450)
at net.minecraft.class_1703.method_34252(class_1703.java:140)
at net.minecraft.class_1703.method_37420(class_1703.java:196)
at net.minecraft.class_1661.handler$bbd001$updateItems(class_1661.java:1430)
at net.minecraft.class_1661.method_7381(class_1661.java:266)
at net.minecraft.class_1657.method_6007(class_1657.java:556)
at net.minecraft.class_1309.method_5773(class_1309.java:2346)
at net.minecraft.class_1657.method_5773(class_1657.java:274)
at net.minecraft.class_3222.method_14226(class_3222.java:466)
at net.minecraft.class_3244.method_18784(class_3244.java:212)
at net.minecraft.class_2535.method_10754(class_2535.java:238)
at net.minecraft.class_3242.method_14357(class_3242.java:183)
at net.minecraft.server.MinecraftServer.method_3813(MinecraftServer.java:902)
at net.minecraft.server.MinecraftServer.method_3748(MinecraftServer.java:831)
at net.minecraft.class_1132.method_3748(class_1132.java:96)
at net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:697)
at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:270)
at java.base/java.lang.Thread.run(Thread.java:831)