diff --git a/src/coreclr/tools/dotnet-pgo/TraceRuntimeDescToTypeSystemDesc.cs b/src/coreclr/tools/dotnet-pgo/TraceRuntimeDescToTypeSystemDesc.cs
index c7513ad80c1478..c1a0e142e8c8d0 100644
--- a/src/coreclr/tools/dotnet-pgo/TraceRuntimeDescToTypeSystemDesc.cs
+++ b/src/coreclr/tools/dotnet-pgo/TraceRuntimeDescToTypeSystemDesc.cs
@@ -405,7 +405,18 @@ public TypeDesc ResolveTypeHandle(long handle, ref bool dependsOnKnownNonLoadabl
                             throw new Exception($"Invalid typedef {tinfo.TypeValue.TypeNameID:4x}");
                         }
 
-                        TypeDefinitionHandle typedef = MetadataTokens.TypeDefinitionHandle(tinfo.TypeValue.TypeNameID & 0xFFFFFF);
+                        int typedefRow = tinfo.TypeValue.TypeNameID & 0xFFFFFF;
+                        // The runtime emits BulkType events for "minimal" MethodTables created by
+                        // CreateMinimalMethodTable in coreclr (used for Reflection.Emit DynamicMethod
+                        // hosts and the IL stub cache). These MTs have no typedef token and surface
+                        // here as TypeNameID == 0x02000000 (rid 0). Treat them as unresolvable
+                        // dynamic types so trace processing can continue.
+                        if (typedefRow == 0)
+                        {
+                            dependsOnKnownNonLoadableType = true;
+                            return null;
+                        }
+                        TypeDefinitionHandle typedef = MetadataTokens.TypeDefinitionHandle(typedefRow);
                         MetadataType uninstantiatedType = (MetadataType)ecmaModule.GetType(typedef);
                         // Instantiate the type if requested
                         if ((tinfo.TypeValue.TypeParameters.Length != 0) && uninstantiatedType != null)