diff --git a/QuestValidator.Common/Helpers/QuestHelper.cs b/QuestValidator.Common/Helpers/QuestHelper.cs
index 96d524e..71234e3 100644
--- a/QuestValidator.Common/Helpers/QuestHelper.cs
+++ b/QuestValidator.Common/Helpers/QuestHelper.cs
@@ -244,6 +244,11 @@ namespace AssortGenerator.Common.Helpers
             if (_questData == null)
             {
                 var questFilePath = InputFileHelper.GetInputFilePaths().FirstOrDefault(x => x.Contains(filename));
+                if (questFilePath == null)
+                {
+                    return null;
+                }
+
                 var questDataJson = File.ReadAllText(questFilePath);
                 _questData = JsonSerializer.Deserialize<Dictionary<string, Quest>>(questDataJson);
             }
@@ -256,6 +261,11 @@ namespace AssortGenerator.Common.Helpers
             if (_liveQuestData == null)
             {
                 var questFilePath = InputFileHelper.GetInputFilePaths().FirstOrDefault(x => x.Contains(filename));
+                if (questFilePath == null)
+                {
+                    return null;
+                }
+
                 var questDataJson = File.ReadAllText(questFilePath);
                 _liveQuestData = JsonSerializer.Deserialize<QuestRoot>(questDataJson);
             }
diff --git a/QuestValidator/Program.cs b/QuestValidator/Program.cs
index dd7e1e0..226d47f 100644
--- a/QuestValidator/Program.cs
+++ b/QuestValidator/Program.cs
@@ -20,6 +20,12 @@ namespace QuestValidator
             var questData = QuestHelper.GetQuestData();
             var liveQuestData = QuestHelper.GetLiveQuestData();
 
+            if (questData == null || liveQuestData == null)
+            {
+                LoggingHelpers.LogError("Unable to read quest data. Are you sure the both quest files are in 'QuestValidator//bin//Debug//netcoreapp3.1//input'");
+                return;
+            }
+
             CheckForMissingQuestsInAkiFile(liveQuestData, questData);
 
             foreach (var item in questData)