BuildCraft version: 7.99.15-pre4
Forge version: 1.12.2-14.23.1.2590
Link to crash report or log: N/A
Singleplayer or multiplayer: Both

As shown in the image above, when inserting the materials to make a gold gate with the quartz modifier, the Assembly Table displays both nether brick gates and iron gates with the quartz modifer instead of the correct gold gate

...Why haven't I fixed this yet? This looks pretty major...