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 ('d5b0a5c83b9a5bbe3e4ce221b161173c', -1, 1455011156, 1455011156, '3692c22a', -1, 0, 0)

Line : 187
File : sessions.php