Crafting Bug Unable to load

Whenever I try to open HexTech crafting I get a error and it messes up my chat. That's all there is to it since I get a box saying "Unknown error has occurred." Also loading the page with the error make me have to hit close, like, 3 times. No more no less, but three.

Three that is which the number, the number of error box logs that open for which I must cloths.... (Continues to ramble about numbers and )