phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './why9work_phpbb1/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) VALUES ('c27d5e3b90e0e093af66ca733f8db387', -1, 1425042234, 1425042234, 'adf53622', -9, 0)

Line : 158
File : sessions.php