problem

Hi everyone 

i have problem in lady-bug plugin 

when i drop the (Ladybug ladybug) to canvas it turn to red and print an error 

which is :

. User name on this system: Ahmed Al Salhi has white space. Default fodelr cannot be set.
Use defaultFolder_ to set the path to another folder and try again!
Ladybug failed to fly! :(

can anyone help me with that ??