Why can't I build a com component?

The details are:

C:\Users\ADMINI~1\AppData\Local\Temp\mbuild_W0OUS1\po_dll.obj D:\matlab\bin\po\src\po.res
--> link /out:"D:\matlab\bin\po\src\po_1_0.dll" /MACHINE:AMD64 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /LIBPATH:"D:\matlab\extern\lib\win64\microsoft" /nologo /manifest /manifestfile:"D:\matlab\bin\po\src\po_1_0.msvc.manifest" mclmcrrt.lib /dll /implib:"D:\matlab\bin\po\src\po_1_0.lib" /def:"D:\matlab\bin\po\src\po.def" @C:\Users\ADMINI~1\AppData\Local\Temp\mbuild_W0OUS1\mbuild_tmp.rsp

LINK : fatal error LNK1123:
D:\MATLAB\BIN\MEX.PL: Error: Link of 'D:\matlab\bin\po\src\po_1_0.dll' failed.

Error: An error occurred while shelling out to mbuild (error code = 2).
Unable to build executable.