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 ('9b1ac1828214ef6720d93114f51ed33f', -1, 1481134416, 1481134416, '36a39f1b', -1, 0, 0)

Line : 187
File : sessions.php