phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './jantonik/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, is_robot, session_admin) VALUES ('9920ee98505f51614b98f092491b374d', -1, 1481099874, 1481099874, '36ccc647', 3, 0, '0', 0)

Line : 183
File : sessions.php