Merge pull request #13 from Peechey/fix/explosive-impact-nil

Fix Explosive Impact nil error

Author: LocalIdentity

src/Classes/SkillsTab.lua

@@ -1037,7 +1037,7 @@ function SkillsTabClass:ProcessSocketGroup(socketGroup)
 			else
 				gemInstance.grantedEffect = data.skills[gemInstance.skillId]
 			end
-			if gemInstance.triggered then
+			if gemInstance.triggered and gemInstance.grantedEffect then
 				if gemInstance.grantedEffect.levels[gemInstance.level] then
 					gemInstance.grantedEffect.levels[gemInstance.level].cost = {}
 				end