diff --git a/source/Cosmos.IL2CPU/CompilerEngine.cs b/source/Cosmos.IL2CPU/CompilerEngine.cs
index adc57a4ab..f852ac388 100644
--- a/source/Cosmos.IL2CPU/CompilerEngine.cs
+++ b/source/Cosmos.IL2CPU/CompilerEngine.cs
@@ -236,6 +236,7 @@ namespace Cosmos.IL2CPU
                         using (var xScanner = new ILScanner(xAsm))
                         {
                             xScanner.LogException = LogException;
+                            xScanner.LogWarning = LogWarning;
                             CompilerHelpers.DebugEvent += LogMessage;
                             if (EnableLogging)
                             {
@@ -249,7 +250,7 @@ namespace Cosmos.IL2CPU
                             }
                             xScanner.QueueMethod(xInitMethod.DeclaringType.BaseType.GetMethod("Start"));
                             xScanner.Execute(xInitMethod);
-                            
+
                             AppAssemblerRingsCheck.Execute(xScanner, xInitMethod.DeclaringType.Assembly);
 
                             using (var xOut = new StreamWriter(OutputFilename, false, Encoding.ASCII, 128 * 1024))
diff --git a/source/Cosmos.IL2CPU/ILScanner.cs b/source/Cosmos.IL2CPU/ILScanner.cs
index 6ed7a0ee9..23ab3c5bb 100644
--- a/source/Cosmos.IL2CPU/ILScanner.cs
+++ b/source/Cosmos.IL2CPU/ILScanner.cs
@@ -31,6 +31,7 @@ namespace Cosmos.IL2CPU
     public class ILScanner : IDisposable
     {
         public LogExceptionDelegate LogException = null;
+        public Action<string> LogWarning = null;
 
         protected ILReader mReader;
         protected AppAssembler mAsmblr;
@@ -71,7 +72,7 @@ namespace Cosmos.IL2CPU
             mAsmblr = aAsmblr;
             mReader = new ILReader();
 
-            mPlugManager = new PlugManager(LogException);
+            mPlugManager = new PlugManager(LogException, LogWarning);
         }
 
         public bool EnableLogging(string aPathname)
diff --git a/source/Cosmos.IL2CPU/PlugManager.cs b/source/Cosmos.IL2CPU/PlugManager.cs
index 522b5fd47..2345d3199 100644
--- a/source/Cosmos.IL2CPU/PlugManager.cs
+++ b/source/Cosmos.IL2CPU/PlugManager.cs
@@ -68,9 +68,10 @@ namespace Cosmos.IL2CPU
             return LabelName.GenerateFullName(m);
         }
 
-        public PlugManager(LogExceptionDelegate aLogException)
+        public PlugManager(LogExceptionDelegate aLogException, Action<string> aLogWarning)
         {
             LogException = aLogException;
+            LogWarning = aLogWarning;
         }
 
         public void FindPlugImpls()
@@ -321,7 +322,10 @@ namespace Cosmos.IL2CPU
                                 if (xAttrib == null
                                     || xAttrib.IsOptional)
                                 {
-                                    throw new Exception("Invalid plug method! Target method not found. : " + xMethod.GetFullName());
+                                    if (LogWarning != null)
+                                    {
+                                        LogWarning("Invalid plug method! Target method not found. : " + xMethod.GetFullName());
+                                    }
                                 }
                             }
                         }
@@ -330,7 +334,10 @@ namespace Cosmos.IL2CPU
                             if (xAttrib.IsWildcard
                                 && xAttrib.Assembler == null)
                             {
-                                throw new Exception("Wildcard PlugMethods need to use an assembler for now.");
+                                if (LogWarning != null)
+                                {
+                                    LogWarning("Wildcard PlugMethods need to use an assembler for now.");
+                                }
                             }
                         }
                     }
@@ -355,6 +362,8 @@ namespace Cosmos.IL2CPU
             }
         }
 
+        public Action<string> LogWarning;
+
         private MethodBase ResolvePlug(Type aTargetType, List<Type> aImpls, MethodBase aMethod, Type[] aParamTypes)
         {
             //TODO: This method is "reversed" from old - remember that when porting
@@ -717,7 +726,7 @@ namespace Cosmos.IL2CPU
                             }
                             else
                             {
-                                // private 
+                                // private
                                 xBindingFlagsToFindMethod = BindingFlags.NonPublic;
                             }
                             if (aMethod.IsStatic)
diff --git a/source/Tools/PlugsInspector/Form1.cs b/source/Tools/PlugsInspector/Form1.cs
index c0f8ae738..068fabb64 100644
--- a/source/Tools/PlugsInspector/Form1.cs
+++ b/source/Tools/PlugsInspector/Form1.cs
@@ -74,7 +74,9 @@ namespace PlugsInspector
 
             plugManager = new PlugManager((Exception ex) => {
                 AddExceptionEntry(ex.Message);
-            });
+            }, warning =>
+               {
+               });
             plugManager.ThrowExceptions = false;
         }