cannot login admin panel

Hello,
I cannot login my site admin panel enter the user name and password click the login button after againly back to login page error msg loading "You are not loged in." anyone know how to fix this?

Code:

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index.php?msg=You%20are%20not%20loged%20in.

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I try to do it clear the my cookies but it not work :(

Thanks
eManuka

Please check http://docs.buyscripts.in/Session_test

I have check session but session not working I have PM Login details can you check it :)

Anyone know how to fix this error? :(

Pleace chek viewtopic.php?f=6&p=11802

You need to Contact your hosting provider to check the problem with php session.