Fix config scene stuck on ruleset format error.

Assets/Cryville/Crtr/Config/ConfigScene.cs

@@ -4,6 +4,7 @@ using System.IO;
 using System.Text;
 using UnityEngine;
 using UnityEngine.SceneManagement;
+using Logger = Cryville.Common.Logger;
 
 namespace Cryville.Crtr.Config {
 	public class ConfigScene : MonoBehaviour {
@@ -20,14 +21,13 @@ namespace Cryville.Crtr.Config {
 		RulesetConfig _rscfg;
 
 		void Start() {
+			try {
 				ChartPlayer.etor = new PdtEvaluator();
 				FileInfo file = new FileInfo(
 					Game.GameDataPath + "/rulesets/" + Settings.Default.LoadRuleset
 				);
 				if (!file.Exists) {
-				Popup.Create("Ruleset for the chart not found\nMake sure you have imported the ruleset");
-				ReturnToMenu();
-				return;
+					throw new FileNotFoundException("Ruleset for the chart not found\nMake sure you have imported the ruleset");
 				}
 				DirectoryInfo dir = file.Directory;
 				using (StreamReader reader = new StreamReader(file.FullName, Encoding.UTF8)) {
@@ -58,6 +58,12 @@ namespace Cryville.Crtr.Config {
 				proxy.LoadFrom(_rscfg.inputs);
 				m_inputConfigPanel.proxy = proxy;
 			}
+			catch (Exception ex) {
+				Popup.CreateException(ex);
+				Logger.Log("main", 4, "Config", "An error occured while loading the config: {0}", ex);
+				ReturnToMenu();
+			}
+		}
 
 		public void SwitchCategory(GameObject cat) {
 			foreach (Transform c in m_content) {