diff --git a/headers/enduro2d/high/components/behaviour.hpp b/headers/enduro2d/high/components/behaviour.hpp
index a01a179c..645dfa53 100644
--- a/headers/enduro2d/high/components/behaviour.hpp
+++ b/headers/enduro2d/high/components/behaviour.hpp
@@ -79,11 +79,12 @@ namespace e2d::behaviours
             behaviour.meta(),
             std::forward<Args>(args)...);
         if ( !r.valid() ) {
+            sol::error err = r;
             the<debug>().error("BEHAVIOUR: Behaviour method error:\n"
                 "--> Method: %0\n"
                 "--> Error: %1",
                 method,
-                sol::error(r).what());
+                err.what());
             return call_result::failed;
         }
 
diff --git a/headers/enduro2d/high/gobject.hpp b/headers/enduro2d/high/gobject.hpp
index 43f85461..f747726a 100644
--- a/headers/enduro2d/high/gobject.hpp
+++ b/headers/enduro2d/high/gobject.hpp
@@ -13,6 +13,23 @@ namespace e2d
     class gobject final {
     public:
         class state;
+        class destroying_state_ilist_tag;
+        using destroying_states = intrusive_list<
+            state,
+            destroying_state_ilist_tag>;
+    public:
+        class state
+            : private noncopyable
+            , public ref_counter<state>
+            , public intrusive_list_hook<destroying_state_ilist_tag> {
+        public:
+            virtual ~state() noexcept {}
+            virtual void destroy() noexcept = 0;
+            virtual bool destroyed() const noexcept = 0;
+            virtual bool invalided() const noexcept = 0;
+            virtual ecs::entity raw_entity() noexcept = 0;
+            virtual ecs::const_entity raw_entity() const noexcept = 0;
+        };
         using state_iptr = intrusive_ptr<state>;
         const state_iptr& internal_state() const noexcept;
     public:
@@ -102,24 +119,6 @@ namespace e2d
 
 namespace e2d
 {
-    class gobject_destroying_state_ilist_tag;
-    using gobject_destroying_states = intrusive_list<
-        gobject::state,
-        gobject_destroying_state_ilist_tag>;
-
-    class gobject::state
-        : private noncopyable
-        , public ref_counter<state>
-        , public intrusive_list_hook<gobject_destroying_state_ilist_tag> {
-    public:
-        virtual ~state() noexcept {}
-        virtual void destroy() noexcept = 0;
-        virtual bool destroyed() const noexcept = 0;
-        virtual bool invalided() const noexcept = 0;
-        virtual ecs::entity raw_entity() noexcept = 0;
-        virtual ecs::const_entity raw_entity() const noexcept = 0;
-    };
-
     template < typename T >
     gcomponent<T> gobject::component() noexcept {
         return gcomponent<T>(*this);
diff --git a/headers/enduro2d/high/world.hpp b/headers/enduro2d/high/world.hpp
index 291b1190..46c91fd9 100644
--- a/headers/enduro2d/high/world.hpp
+++ b/headers/enduro2d/high/world.hpp
@@ -35,6 +35,6 @@ namespace e2d
         void finalize_instances() noexcept;
     private:
         ecs::registry registry_;
-        gobject_destroying_states destroying_states_;
+        gobject::destroying_states destroying_states_;
     };
 }
diff --git a/sources/enduro2d/core/audio_impl/audio_bass.cpp b/sources/enduro2d/core/audio_impl/audio_bass.cpp
index 0445559c..4ee56c93 100644
--- a/sources/enduro2d/core/audio_impl/audio_bass.cpp
+++ b/sources/enduro2d/core/audio_impl/audio_bass.cpp
@@ -158,7 +158,7 @@ namespace e2d
             TRUE,
             sound_data.data(),
             0,
-            sound_data.size(),
+            math::numeric_cast<DWORD>(sound_data.size()),
             max_sound_channels,
             BASS_SAMPLE_OVER_POS);
 
diff --git a/sources/enduro2d/high/components/behaviour.cpp b/sources/enduro2d/high/components/behaviour.cpp
index 95f8143a..34cccbb4 100644
--- a/sources/enduro2d/high/components/behaviour.cpp
+++ b/sources/enduro2d/high/components/behaviour.cpp
@@ -40,9 +40,10 @@ namespace e2d
             sol::protected_function_result meta = script->content().call();
 
             if ( !meta.valid() ) {
+                sol::error err = meta;
                 the<debug>().error("BEHAVIOUR: Behaviour script error:\n"
                     "--> Error: %0",
-                    sol::error(meta).what());
+                    err.what());
                 return false;
             }
 
diff --git a/sources/enduro2d/high/luasol.cpp b/sources/enduro2d/high/luasol.cpp
index a5fd3007..969b30c7 100644
--- a/sources/enduro2d/high/luasol.cpp
+++ b/sources/enduro2d/high/luasol.cpp
@@ -40,9 +40,10 @@ namespace e2d
             src.size());
 
         if ( !result.valid() ) {
+            sol::error err = result;
             the<debug>().error("LUASOL: Failed to load script buffer:\n"
                 "--> Info: %0",
-                sol::error(result).what());
+                err.what());
             return std::nullopt;
         }