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 ('9d8d5db3aa5d364b7ef3785287add373', -1, 1432337829, 1432337829, '36579bc1', -1, 0, 0)

Line : 187
File : sessions.php