please help me

[farzad ghavam]

Hi,
I'm a software programmer,I worked by mapguide 6.3 in our project and 
didn't have any problem.
Now, I want to immgrate to mapguide open source in windows,I install 
mapguide server and mapguide webserver extention and appache2mapguide 
for webserver and add FDO provider in server.also I 
install Mapguide studio version (1.0.0.16802).But I can't upload any 
data to my Site such as SDF,SHP,Database,...
When I dragg shape file in site and marked the Convert to SDF and 
clicked the load resources button,show me this message "Operation is 
not valid due to the current state of the object" and when unmark the 
Convert to SDF and clicked the load resources button,show me this 
message "Object refrence not set to an instance of an object" 
please help me.
regards, ghavam