Avoid crashing when adding emotions to unknown jewel base

Author: vaisest

src/Classes/ItemsTab.lua

@@ -3044,32 +3044,31 @@ function ItemsTabClass:AddCustomModifierToDisplayItem()
 					break
 				end
 			end
-			if not baseColour then
-				error("Base is a gem but has no colour. Base name: " .. tostring(self.displayItem.baseName))
-			end
-			for _, emotion in pairs(data.emotions) do
-				if emotion.radiusJewel == radiusJewel then
-					for modType, modId in pairs(emotion.mods[baseColour] or {}) do
-						local mod = data.itemMods.Jewel[modId]
-						if mod then
-							t_insert(modList, {
-								label = string.format("%s ^8[%s] (%s)", emotion.name, table.concat(mod, "/"),
-									mod.type or ""),
-								mod = mod,
-								type = "custom",
-								emotion = emotion,
-							})
+			if baseColour then
+				for _, emotion in pairs(data.emotions) do
+					if emotion.radiusJewel == radiusJewel then
+						for modType, modId in pairs(emotion.mods[baseColour] or {}) do
+							local mod = data.itemMods.Jewel[modId]
+							if mod then
+								t_insert(modList, {
+									label = string.format("%s ^8[%s] (%s)", emotion.name, table.concat(mod, "/"),
+										mod.type or ""),
+									mod = mod,
+									type = "custom",
+									emotion = emotion,
+								})
+							end
 						end
 					end
 				end
+				table.sort(modList, function(a, b)
+					if a.emotion.tierLevel ~= b.emotion.tierLevel then
+						return a.emotion.tierLevel > b.emotion.tierLevel
+					else
+						return a.emotion.name > b.emotion.name
+					end
+				end)
 			end
-			table.sort(modList, function(a, b)
-				if a.emotion.tierLevel ~= b.emotion.tierLevel then
-					return a.emotion.tierLevel > b.emotion.tierLevel
-				else
-					return a.emotion.name > b.emotion.name
-				end
-			end)
 		elseif sourceId == "DESECRATED" then
 			local function isDesecratedMod(mod)
 				for _, tag in ipairs(mod.modTags or { }) do