diff --git a/reapi/include/cssdk/dlls/API/CSEntity.h b/reapi/include/cssdk/dlls/API/CSEntity.h
index 1e9ca2b9..ad261b8c 100644
--- a/reapi/include/cssdk/dlls/API/CSEntity.h
+++ b/reapi/include/cssdk/dlls/API/CSEntity.h
@@ -31,7 +31,6 @@
 class CBaseEntity;
 class CCSEntity
 {
-	DECLARE_CLASS_TYPES(CCSEntity, CCSEntity);
 public:
 	CCSEntity() :
 		m_pContainingEntity(nullptr)
@@ -43,9 +42,14 @@ class CCSEntity
 	virtual void FireBuckshots(ULONG cShots, Vector &vecSrc, Vector &vecDirShooting, Vector &vecSpread, float flDistance, int iTracerFreq, int iDamage, entvars_t *pevAttacker) = 0;
 	virtual Vector FireBullets3(Vector &vecSrc, Vector &vecDirShooting, float vecSpread, float flDistance, int iPenetration, int iBulletType, int iDamage, float flRangeModifier, entvars_t *pevAttacker, bool bPistol, int shared_rand) = 0;
 
+public:
+	CBaseEntity *m_pContainingEntity;
+
+private:
 #if defined(_MSC_VER)
-#pragma region reserve_vfuncs_Region
+#pragma region reserve_data_Region
 #endif
+	int CCSEntity_Reserve[0x1000];
 	virtual void func_reserve1() {};
 	virtual void func_reserve2() {};
 	virtual void func_reserve3() {};
@@ -79,37 +83,38 @@ class CCSEntity
 #if defined(_MSC_VER)
 #pragma endregion
 #endif
-
-public:
-	CBaseEntity *m_pContainingEntity;
 };
 
 class CCSDelay: public CCSEntity
 {
-	DECLARE_CLASS_TYPES(CCSDelay, CCSEntity);
 public:
 
+private:
+	int CCSDelay_Reserve[0x100];
 };
 
 class CCSAnimating: public CCSDelay
 {
-	DECLARE_CLASS_TYPES(CCSAnimating, CCSDelay);
 public:
 
+private:
+	int CCSAnimating_Reserve[0x100];
 };
 
 class CCSToggle: public CCSAnimating
 {
-	DECLARE_CLASS_TYPES(CCSToggle, CCSAnimating);
 public:
 
+private:
+	int CCSToggle_Reserve[0x100];
 };
 
 class CCSMonster: public CCSToggle
 {
-	DECLARE_CLASS_TYPES(CCSMonster, CCSToggle);
 public:
 
+private:
+	int CCSMonster_Reserve[0x100];
 };
 
-#define CSENTITY_API_INTERFACE_VERSION "CSENTITY_API_INTERFACE_VERSION002"
+#define CSENTITY_API_INTERFACE_VERSION "CSENTITY_API_INTERFACE_VERSION003"
diff --git a/reapi/include/cssdk/dlls/cbase.h b/reapi/include/cssdk/dlls/cbase.h
index 53d4a031..96731bbd 100644
--- a/reapi/include/cssdk/dlls/cbase.h
+++ b/reapi/include/cssdk/dlls/cbase.h
@@ -173,6 +173,7 @@ class CBaseEntity
 
 public:
 	CCSEntity *m_pEntity;						// NOTE: it was replaced on member "int *current_ammo" because it is useless.
+	CCSEntity *CSEntity() const;
 
 	// We use this variables to store each ammo count.
 	float currentammo;
@@ -253,6 +254,11 @@ inline void CBaseEntity::SetBlocked(std::nullptr_t)
 	m_pfnBlocked = nullptr;
 }
 
+inline CCSEntity *CBaseEntity::CSEntity() const
+{
+	return m_pEntity;
+}
+
 class CPointEntity: public CBaseEntity
 {
 	DECLARE_CLASS_TYPES(CPointEntity, CBaseEntity);
diff --git a/reapi/src/mods/mod_regamedll_api.cpp b/reapi/src/mods/mod_regamedll_api.cpp
index c7810f78..bd7051e2 100644
--- a/reapi/src/mods/mod_regamedll_api.cpp
+++ b/reapi/src/mods/mod_regamedll_api.cpp
@@ -62,6 +62,12 @@ bool RegamedllApi_Init()
 	if (!g_ReGameApi->BGetICSEntity(CSENTITY_API_INTERFACE_VERSION))
 	{
 		UTIL_ServerPrint("[%s]: Interface CCSEntity API version '%s' not found.\n", Plugin_info.logtag, CSENTITY_API_INTERFACE_VERSION);
+
+		if (g_ReGameApi->BGetICSEntity("CSENTITY_API_INTERFACE_VERSION002"))
+			UTIL_ServerPrint("[%s]: Please update ReGameDLL to the latest version.\n", Plugin_info.logtag);
+		else
+			UTIL_ServerPrint("[%s]: Please update ReAPI to the latest version.\n", Plugin_info.logtag);
+
 		return false;
 	}