In game Item mall error while compiling

------ Build started: Project: RanClientUILib, Configuration: Release Win32 ------Compiling...ItemShopWindow.cppInterface\ItemShopWindow.cpp(256) : error C2653: 'GLItemMan' : is not a class or namespace nameInterface\ItemShopWindow.cpp(256) : error C2228: left of '.GetItem' must have class/struct/union type type is ''unknown-type''Interface\ItemShopWindow.cpp(256) : error C3861: 'GetInstance': identifier not found, even with argument-dependent lookupInnerInterfaceSimple.cppInterface\InnerInterfaceSimple.cpp(1118) : error C2660: 'NS_ITEMINFO::LOAD' : function does not take 10 argumentsInterface\InnerInterfaceSimple.cpp(1143) : error C2660: 'NS_ITEMINFO::LOAD' : function does not take 10 argumentsInterface\InnerInterfaceSimple.cpp(1152) : error C2601: 'CInnerInterface::SHOW_BOXINFO' : local function definitions are illegal


what is missing.? help me tnx