Warning: Please check the form carefully for errors!

after i change my language to Arabic for admin panel i cant change it back to English
Warning: Please check the form carefully for errors!. and i cant fill or change the following lines
Order Status
Processing Order Status
You must choose at least 1 order process status
Complete Order Status
You must choose at least 1 order complete status
due to that i cant change back to English gives me this error
Warning: Please check the form carefully for errors! and above status thing is showing red
please help

You are going to need to provide a lot more detail on your store, what you have done and what you are trying to do.