file structure of ur SDEdit.mpq file is wrong is it right to ur seen?
when i loaded ur SDEdit.mpq on MPQ's App They were show structure like this
------------------------------
Dir - [arr]
[dlgs]
[game]
[glue]
[rez]
[scripts]
[templates]
[unit]
===========
and there are numbers of File00000*.* files
take check those files and resave as a right place