What wood is Wood: 4

[Neko32411]

I added a custom recipe and it says wood: 4 which wood should i need to use for that?

[justjunk5]

same problem

[spiderm3n]

It is mentioned in the comments of the base config.yml file

wood: Wood of the barrel 0=any 1=Birch 2=Oak 3=Jungle 4=Spruce 5=Acacia 6=Dark Oak 7=Crimson 8=Warped 9=Mangrove