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Log out of Facebook application for Blackberry
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Sign in Facebook website from your PC
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Login to Facebook on PC
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Go to the option Account- account settings (upper right part of the page).
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Go to PASSWORD and press for change.
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Change to a new password and validate the information.
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Log out of Facebook
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Reopen the session on the PC with the new password to confirm. Then we closed again into the session.
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Open the Facebook app on the Blackberry device and enter the new password. The error should not appear again.
Alternative 2:
Some people change their password does not work, but if the first option did not work here I leave a second solution:
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Access your Facebook account on the PC
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Access privacy settings.
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Select games and applications.
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Select and delete Facebook for BlackBerry Smartphones
Login again from your Blackberry
Please comment if given result or have any problem even after the procedure.