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 ('e63c3de356778f07cc57249748c61c7f', -1, 1464230731, 1464230731, '36c454dd', -1, 0, 0)

Line : 187
File : sessions.php