Forgot My Pattern lock in CM 12

I'm using CM 12 (12-20150224-NIGHTLY-nicki) in my Xperia M. I had pattern lock in my owner user profile. unfortunately forgot my pattern and currently using a guest profile in that.Is there any ways to remove the pattern without losing the data.





Note: Android device Manager is not turned on in my Owner profile. I tried activating it from guest profile but the device is not being listed in the website.







Please help me out ............



Thanks in Advance

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