diff --git a/game/src/sectree_manager.cpp b/game/src/sectree_manager.cpp
index bc5bd32..ece852c 100644
--- a/game/src/sectree_manager.cpp
+++ b/game/src/sectree_manager.cpp
@@ -465,11 +465,11 @@ bool SECTREE_MANAGER::LoadAttribute(LPSECTREE_MAP pkMapSectree, const char * c_p
 
 	size_t maxMemSize = LZOManager::instance().GetMaxCompressedSize(sizeof(DWORD) * (SECTREE_SIZE / CELL_SIZE) * (SECTREE_SIZE / CELL_SIZE));
 
-	size_t uiSize;
+    int32_t uiSize;
 	lzo_uint uiDestSize;
 
-	BYTE* abComp = M2_NEW BYTE[maxMemSize];
-	DWORD * attr = M2_NEW DWORD[maxMemSize];
+	auto * abComp = new BYTE[maxMemSize];
+	auto * attr = new DWORD[maxMemSize];
 
 	for (int y = 0; y < iHeight; ++y)
 		for (int x = 0; x < iWidth; ++x)
@@ -482,7 +482,7 @@ bool SECTREE_MANAGER::LoadAttribute(LPSECTREE_MAP pkMapSectree, const char * c_p
 			LPSECTREE tree = pkMapSectree->Find(id.package);
 
 			// SERVER_ATTR_LOAD_ERROR
-			if (tree == NULL)
+			if (tree == nullptr)
 			{
 				sys_err("FATAL ERROR! LoadAttribute(%s) - cannot find sectree(package=%x, coord=(%u, %u), map_index=%u, map_base=(%u, %u))", 
 						c_pszFileName, id.package, id.coord.x, id.coord.y, r_setting.iIndex, r_setting.iBaseX, r_setting.iBaseY);
@@ -512,7 +512,7 @@ bool SECTREE_MANAGER::LoadAttribute(LPSECTREE_MAP pkMapSectree, const char * c_p
 			}
 
 			fread(&uiSize, sizeof(int32_t), 1, fp);
-			fread(abComp, sizeof(BYTE), uiSize, fp);
+			fread(abComp, sizeof(uint8_t), uiSize, fp);
 
 			//LZOManager::instance().Decompress(abComp, uiSize, (BYTE *) tree->GetAttributePointer(), &uiDestSize);
 			uiDestSize = sizeof(DWORD) * maxMemSize;
@@ -520,7 +520,7 @@ bool SECTREE_MANAGER::LoadAttribute(LPSECTREE_MAP pkMapSectree, const char * c_p
 
 			if (uiDestSize != sizeof(DWORD) * (SECTREE_SIZE / CELL_SIZE) * (SECTREE_SIZE / CELL_SIZE))
 			{
-				sys_err("SECTREE_MANAGER::LoadAttribte : %s : %d %d size mismatch! %d",
+				sys_err("SECTREE_MANAGER::LoadAttribute : %s : %d %d size mismatch! %d",
 						c_pszFileName, tree->m_id.coord.x, tree->m_id.coord.y, uiDestSize);
 				fclose(fp);