phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './rorkesphpbb/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 ('8e431692c4537cb3e3d6cbee2839b41a', -1, 1537964937, 1537964937, '365cbe0b', -8, 0, 0)

Line : 187
File : sessions.php