phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './socal_phpbb/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 ('328fe8694b08ff62f4ee1bf75fb19430', -1, 1435903766, 1435903766, 'b95de50a', -4, 0, 0)

Line : 187
File : sessions.php