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 ('d2e7992d4d3c0b3fd52898368c3a534c', -1, 1484876643, 1484876643, 'ae81789b', -1, 0, 0)

Line : 187
File : sessions.php