diff --git a/bc/Debug.hpp b/bc/Debug.hpp
index 321f3bd..3e8d079 100644
--- a/bc/Debug.hpp
+++ b/bc/Debug.hpp
@@ -25,6 +25,12 @@
 namespace Blizzard {
 namespace Debug {
 
+// Types
+
+class ErrorStackRecord {
+    public:
+};
+
 // Functions
 void Assert(const char* a1, const char* a2, uint32_t a3);
 void SetAssertHandler(Blizzard::System_Debug::AssertCallback callback);