KokSaker

[17:26:18] [Server thread/ERROR] [FML]: Parsing error loading built-in advancement twilightforest:alt/compat/ie_shaders
com.google.gson.JsonSyntaxException: Unknown item id 'immersiveengineering:shader'
	at net.minecraft.advancements.critereon.ItemPredicate.deserialize(ItemPredicate.java:127) ~[an.class:?]
	at net.minecraft.advancements.critereon.ItemPredicate.deserializeArray(ItemPredicate.java:163) ~[an.class:?]
	at net.minecraft.advancements.critereon.InventoryChangeTrigger.deserializeInstance(SourceFile:62) ~[al.class:?]
	at net.minecraft.advancements.critereon.InventoryChangeTrigger.deserializeInstance(SourceFile:21) ~[al.class:?]
	at net.minecraft.advancements.Criterion.criterionFromJson(SourceFile:35) ~[n.class:?]
	at net.minecraft.advancements.Criterion.criteriaFromJson(SourceFile:46) ~[n.class:?]
	at net.minecraft.advancements.Advancement$Builder.deserialize(SourceFile:204) ~[i$a.class:?]
	at net.minecraft.advancements.AdvancementManager$1.deserialize(AdvancementManager.java:50) ~[ns$1.class:?]

KokSaker

[03:50:39] [Client thread/ERROR] [minecraft/TextureMap]: Using missing texture, unable to load additionalcompression:textures/blocks/pearlender_compressed_5.png, java.io.FileNotFoundException
[03:50:39] [Client thread/ERROR] [minecraft/TextureMap]: Using missing texture, unable to load additionalcompression:textures/blocks/pearlender_compressed_6.png, java.io.FileNotFoundException
[03:50:39] [Client thread/ERROR] [minecraft/TextureMap]: Using missing texture, unable to load additionalcompression:textures/blocks/pearlender_compressed_3.png, java.io.FileNotFoundException
[03:50:39] [Client thread/ERROR] [minecraft/TextureMap]: Using missing texture, unable to load additionalcompression:textures/blocks/pearlender_compressed_4.png, java.io.FileNotFoundException
[03:50:39] [Client thread/ERROR] [minecraft/TextureMap]: Using missing texture, unable to load additionalcompression:textures/blocks/pearlender_compressed_9.png, java.io.FileNotFoundException
[03:50:39] [Client thread/ERROR] [minecraft/TextureMap]: Using 

KokSaker

---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Description: Rendering screen

java.lang.NullPointerException
    at net.minecraft.client.gui.recipebook.GuiRecipeBook.render(GuiRecipeBook.java:251)
    at net.minecraft.client.gui.inventory.GuiInventory.drawScreen(SourceFile:74)
    at net.minecraftforge.client.ForgeHooksClient.drawScreen(ForgeHooksClient.java:396)
    at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source)