Smith of kitava "fire spell on hit" node bug

Im not sure if its because of the fact i didn't have enough spirit after unequiping an item or my intelligence not being high enough, (as both were on said item), but it caused my solar orb spell ( jem level 10) and the two support jems on it to just evaporate into thin air.

Intelligence too low, it happened to me, it comes back when the intelligence meets the requirement