phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './america_alabama/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8d1d423559093e8ea1987204dd7f601c', -1, 1432618067, 1432618067, '36e0af02', -4, 0, 0)

Line : 187
File : sessions.php