phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './kidnem998/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 ('f3f7b7a2b343af9eb32d9e98b7f8faec', -1, 1462230794, 1462230794, '36a72943', -1, 0, 0)

Line : 187
File : sessions.php