Ryzom

hi all, i'm new to ryzom and i have some error message while compiling the server, this is the error message

5>------ Build started: Project: server_share, Configuration: Release Win32 ------
5>Compiling...
1>CVTRES : fatal error CVT1107: 'c:\ryzom\code\ryzom\obj\Release\game_share\dms.obj' is corrupt
1>..\..\..\obj\Release\game_share\dms.obj : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt
5>stdpch.cpp
1>Build log was saved at "file://c:\ryzom\code\ryzom\obj\Release\game_share\BuildLog.htm"
1>game_share - 2 error(s), 0 warning(s)

7>------ Build started: Project: mirror_service, Configuration: Release Win32 ------
7>Compiling...
7>tick_proxy.cpp
7>ms_automaton.cpp
7>mirror_service.cpp
6>sky_render.cpp
6>sky_object.cpp
6>sky_material_setup.cpp
6>sky.cpp
6>sheet_manager.cpp
7>data_set_ms.cpp
7>Generating Code...
6>session_browser_impl.cpp
7>Linking...
7>LINK : fatal error LNK1181: cannot open input file '..\..\..\lib\game_share_r.lib'
7>Build log was saved at "file://C:\ryzom\code\ryzom\server\obj\Release\mirror_service\BuildLog.htm"
7>mirror_service - 1 error(s), 0 warning(s)

6>Compiling...
6>player_r2_cl.cpp
8>HALF_FREQUENCY_SENDING_TO_CLIENT
8>client_entity_id_translator.cpp
8>Generating Code...
8>Linking...
8>LINK : fatal error LNK1181: cannot open input file '..\..\..\lib\game_share_r.lib'
8>Build log was saved at "file://C:\ryzom\code\ryzom\server\obj\Release\frontend_service\BuildLog.htm"
8>frontend_service - 1 error(s), 0 warning(s)

9>Compiling...
6>lua_ihm.cpp
9>script_parser_yacc.cpp
9>ai_service/script_parser_yacc.cpp(1262) : warning C4065: switch statement contains 'default' but no 'case' labels
9>ai_service/script_parser_yacc.cpp(1289) : warning C4065: switch statement contains 'default' but no 'case' labels
9>ai_service/script_parser_yacc.cpp(2494) : warning C4102: 'yyerrlab1' : unreferenced label
9>script_parser_lex.cpp
9>Generating Code...
6>lua_helper.cpp
9>Linking...
9>LINK : fatal error LNK1181: cannot open input file '..\..\..\lib\game_share_r.lib'
6>list_sheet_base.cpp
6>libwww_nel_stream.cpp
6>item_special_effect.cpp
6>item_consumable_effect.cpp
6>inventory_manager.cpp
9>Build log was saved at "file://C:\ryzom\code\ryzom\server\obj\Release\ai_service\BuildLog.htm"
9>ai_service - 1 error(s), 4 warning(s)

10>Compiling...
10>web_connection.cpp
6>interface_property.cpp
6>interface_parser.cpp
10>commands.cpp
10>backup_service_mod.cpp
6>Generating Code...
10>backup_service.cpp
10>backup_file_access.cpp
10>Generating Code...
10>Linking...
10>LINK : fatal error LNK1181: cannot open input file '..\..\..\lib\game_share_r.lib'
10>Build log was saved at "file://C:\ryzom\code\ryzom\server\obj\Release\backup_service\BuildLog.htm"
10>backup_service - 1 error(s), 0 warning(s)

i'm compiling this on windows xp sp 3 using visual c++ 2008 express edition, i dont get any error message while compiling nel, is this error message is an issue? thx for the reply :)