Errors in Minecraft.log (When trying to craft the banner)
Couldn't load layered image
java.io.FileNotFoundException: minecraft:textures/entity/banner/actuallyadditionsleaf_blo.png
java.io.FileNotFoundException: minecraft:textures/entity/banner/actuallyadditionsphan_con.png
java.io.FileNotFoundException: minecraft:textures/entity/banner/actuallyadditionsdrill.png
java.io.FileNotFoundException: minecraft:textures/entity/banner/actuallyadditionsbook.png
... at net.minecraft.client.resources.FallbackResourceManager.func_110536_a(FallbackResourceManager.java:69)

Checking in assets reveals names are:
actuallyadditions_drill.png
actuallyadditions_leaf_blo.png
actuallyadditions_phan_con.png
actuallyadditions_book.png

Furthermore In Game there is no entry found for a proper display name
(Replace color: with red, white, black, ...)
"item.banner.actuallyadditionsdrill.color" -> Color Drill Symbol
"item.banner.actuallyadditionsleaf_blow.color" -> Color Leafblower Symbol
"item.banner.actuallyadditionsphan_con.color" -> Color Phantom Connector Symbol
"item.banner.actuallyadditionsbook.color" -> Color Manual Symbol