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 ('76a08c2a6c02d5752cf6589321b014b6', -1, 1462396215, 1462396215, '36a720c9', -1, 0, 0)

Line : 187
File : sessions.php