Untouched workspace suddenly saying: error: cannot find symbol

I have not touched this workspace for months, but suddenly it is saying that all of my entities have symbols that cannot be found, I have checked the files it is searching and cannot see any errors.

Here is the console when configuring:

https://pastebin.com/QsMbfCyT

Here is the file that the links go to:

@SubscribeEvent 
    public static void init(FMLCommonSetupEvent event) { 
        event.enqueueWork(() -> { 
            CopperGolemEntity.init(); 
            ExposedCopperGolemEntity.init(); 
            WeatheredCopperGolemEntity.init(); 
            ChargedCopperGolemEntity.init(); 
            MoobloomEntity.init(); 
            PiglinSavageEntity.init(); 
            GlowSnailEntity.init(); 
            GlowSnailShearedEntity.init(); 
            PixieSnailEntity.init(); 
            PixieSnailShearedEntity.init(); 
            SturdySnailEntity.init(); 
            SturdySnailShearedEntity.init(); 
            SculkSnailEntity.init(); 
            SculkSnailShearedEntity.init(); 
            CrimsonSnailEntity.init(); 
            CrimsonSnailShearedEntity.init(); 
            WarpedSnailEntity.init(); 
            WarpedSnailShearedEntity.init(); 
            CorseEntity.init(); 
            RottenEntity.init(); 
        }); 
    }