diff --git a/artifacts/scripting/headers/sfall.h b/artifacts/scripting/headers/sfall.h
index 058f449e..999c1b57 100644
--- a/artifacts/scripting/headers/sfall.h
+++ b/artifacts/scripting/headers/sfall.h
@@ -260,8 +260,8 @@
 #define dialog_message(text)                            sfall_func1("dialog_message", text)
 #define dialog_obj                                      sfall_func0("dialog_obj")
 #define display_stats                                   sfall_func0("display_stats")
-#define draw_image(frmFile, frame, x, y, noTransparent) sfall_func5("draw_image", frmFile, frame, x, y, noTransparent)
-#define draw_image_scaled(frmFile, frame, x, y, w, h)   sfall_func6("draw_image_scaled", frmFile, frame, x, y, w, h)
+#define draw_image(pathFile, frame, x, y, noTrans)      sfall_func5("draw_image", pathFile, frame, x, y, noTrans)
+#define draw_image_scaled(pathFile, frame, x, y, w, h)  sfall_func6("draw_image_scaled", pathFile, frame, x, y, w, h)
 #define exec_map_update_scripts                         sfall_func0("exec_map_update_scripts")
 #define floor2(value)                                   sfall_func1("floor2", value)
 #define get_can_rest_on_map(map, elev)                  sfall_func2("get_can_rest_on_map", map, elev)
@@ -297,8 +297,6 @@
 #define set_cursor_mode(mode)                           sfall_func1("set_cursor_mode", mode)
 #define set_drugs_data(type, pid, value)                sfall_func3("set_drugs_data", type, pid, value)
 #define set_dude_obj(critter)                           sfall_func1("set_dude_obj", critter)
-#define set_fake_perk_npc(npc, perk, level, image, desc)        sfall_func5("set_fake_perk_npc", npc, perk, level, image, desc)
-#define set_fake_trait_npc(npc, trait, active, image, desc)     sfall_func5("set_fake_trait_npc", npc, trait, active, image, desc)
 #define set_flags(obj, flags)                           sfall_func2("set_flags", obj, flags)
 #define set_iface_tag_text(tag, text, color)            sfall_func3("set_iface_tag_text", tag, text, color)
 #define set_ini_setting(setting, value)                 sfall_func2("set_ini_setting", setting, value)
@@ -307,7 +305,6 @@
 #define set_outline(obj, color)                         sfall_func2("set_outline", obj, color)
 #define set_rest_heal_time(time)                        sfall_func1("set_rest_heal_time", time)
 #define set_rest_mode(mode)                             sfall_func1("set_rest_mode", mode)
-#define set_selectable_perk_npc(npc, perk, active, image, desc) sfall_func5("set_selectable_perk_npc", npc, perk, active, image, desc)
 #define set_unique_id(obj)                              sfall_func1("set_unique_id", obj)
 #define unset_unique_id(obj)                            sfall_func2("set_unique_id", obj, -1)
 #define set_unjam_locks_time(time)                      sfall_func1("set_unjam_locks_time", time)
@@ -315,3 +312,7 @@
 #define tile_refresh_display                            sfall_func0("tile_refresh_display")
 #define unjam_lock(obj)                                 sfall_func1("unjam_lock", obj)
 #define unwield_slot(critter, slot)                     sfall_func2("unwield_slot", critter, slot)
+
+#define set_fake_perk_npc(npc, perk, level, image, desc)        sfall_func5("set_fake_perk_npc", npc, perk, level, image, desc)
+#define set_fake_trait_npc(npc, trait, active, image, desc)     sfall_func5("set_fake_trait_npc", npc, trait, active, image, desc)
+#define set_selectable_perk_npc(npc, perk, active, image, desc) sfall_func5("set_selectable_perk_npc", npc, perk, active, image, desc)
diff --git a/sfall/Modules/DebugEditor.cpp b/sfall/Modules/DebugEditor.cpp
index 8b93b6e0..8715e3b5 100644
--- a/sfall/Modules/DebugEditor.cpp
+++ b/sfall/Modules/DebugEditor.cpp
@@ -310,6 +310,23 @@ hide:
 	}
 }
 
+static char* artDbgMsg = "Error: file not found: %s\n";
+static void __declspec(naked) art_data_size_hook() {
+	__asm {
+		test edi, edi;
+		jz   artNotExist;
+		retn;
+artNotExist:
+		mov  eax, [esp + 0x124 - 0x1C + 4]; // filename
+		push eax;
+		push artDbgMsg;
+		call fo::funcoffs::debug_printf_;
+		add  esp, 8;
+		BREAKPOINT; // break program
+		retn;
+	}
+}
+
 static void __declspec(naked) win_debug_hook() {
 	__asm {
 		call fo::funcoffs::debug_log_;
@@ -345,6 +362,9 @@ void DebugModePatch() {
 		if (iniGetInt("Debugging", "HideObjIsNullMsg", 0, ::sfall::ddrawIni)) {
 			MakeJump(0x453FD2, dbg_error_hack);
 		}
+		// prints a debug message about missing art file for critters and interrupts game execution
+		HookCall(0x419B65, art_data_size_hook);
+
 		dlogr(" Done", DL_INIT);
 	}
 }
diff --git a/sfall/main.cpp b/sfall/main.cpp
index 5028d3e4..107862fc 100644
--- a/sfall/main.cpp
+++ b/sfall/main.cpp
@@ -219,7 +219,7 @@ static void InitModules() {
 static const DWORD loadFunc = 0x4FE1D0;
 static void LoadHRPModule() {
 	HMODULE dll;
-	__asm call loadFunc; // load HRP dll
+	__asm call loadFunc; // get HRP loading address
 	__asm mov  dll, eax;
 	if (dll != NULL) hrpDLLBaseAddr = (DWORD)dll;
 	dlog_f("Loaded f2_res.dll library at the memory address: 0x%x\n", DL_MAIN, dll);
@@ -322,7 +322,6 @@ defaultIni:
 
 	hrpIsEnabled = (*(DWORD*)0x4E4480 != 0x278805C7); // check if HRP is enabled
 	if (hrpIsEnabled) {
-		BlockCall(0x4E4480);
 		LoadHRPModule();
 		if (strncmp((const char*)HRPAddressOffset(0x39940), "4.1.8", 5) == 0) hrpVersionValid = true;
 	}
diff --git a/sfall/main.h b/sfall/main.h
index 82d82441..43ca9509 100644
--- a/sfall/main.h
+++ b/sfall/main.h
@@ -69,7 +69,10 @@ namespace sfall
 	#define isDebug false
 #endif
 
-// Macros for quick replacement of pushad/popad assembler opcodes
+// Trap for Debugger
+#define BREAKPOINT __asm int 3
+
+// Macros for quick replacement of assembler opcodes pushad/popad
 #define pushadc __asm push eax __asm push edx __asm push ecx
 #define popadc __asm pop ecx __asm pop edx __asm pop eax