[Q] Wifi Authentication error occured

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http://forum.xda-developers.com – I was on stock image and everything was just fine. Then I flashed Omega 8.0(4.1.2 base) and whenever I try to connect to Wifi with WPA-PSK or WPA-PSK2 i get authentication error occured whereas my other mobile phones and laptops are connecting to it without any problem. To remedy the problem I reverted back to stock but the problem still exists. Any suggestions ? (HowTos)