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 ('30ff08dec3a559c1d2f8f9c150cec4ad', -1, 1432814133, 1432814133, '369ffa6e', -4, 0, 0)

Line : 187
File : sessions.php