diff --git a/MinecraftLaunch/Classes/Enums/CrashCauses.cs b/MinecraftLaunch/Classes/Enums/CrashCauses.cs
index 3865af9..7f6a483 100644
--- a/MinecraftLaunch/Classes/Enums/CrashCauses.cs
+++ b/MinecraftLaunch/Classes/Enums/CrashCauses.cs
@@ -36,6 +36,7 @@ public enum CrashCauses {
     DecompressedMod,
     IncorrectModConfig,
     ModCausedGameCrash,
+    MissingOrUnsupportedMandatoryMod,
 
     #endregion
 
diff --git a/MinecraftLaunch/Components/Analyzer/GameLogAnalyzer.cs b/MinecraftLaunch/Components/Analyzer/GameLogAnalyzer.cs
index 8bb81b9..92eca35 100644
--- a/MinecraftLaunch/Components/Analyzer/GameLogAnalyzer.cs
+++ b/MinecraftLaunch/Components/Analyzer/GameLogAnalyzer.cs
@@ -242,6 +242,13 @@ private IEnumerable<CrashReport> SpecificProcessGameLogs() {
                 };
             }
 
+            if (log.Contains("Missing or unsupported mandatory dependencies")) {
+                yield return new CrashReport {
+                    Original = log,
+                    CrashCauses = CrashCauses.MissingOrUnsupportedMandatoryMod,
+                };
+            }
+
             if (log.Contains("java.lang.NoSuchMethodError: net.minecraft.world.server.ChunkManager$ProxyTicketManager.shouldForceTicks(J)Z")
                 && log.Contains("OptiFine")) {
                 yield return new CrashReport {
diff --git a/MinecraftLaunch/MinecraftLaunch.csproj b/MinecraftLaunch/MinecraftLaunch.csproj
index 7b41117..2623f94 100644
--- a/MinecraftLaunch/MinecraftLaunch.csproj
+++ b/MinecraftLaunch/MinecraftLaunch.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
-		<Version>3.1.0-preview01</Version>
+		<Version>3.1.0-preview02</Version>
 	</PropertyGroup>
 
 	<PropertyGroup>