phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1034 Incorrect key file for table 'phpbb_sessions'; try to repair it

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ac21c6cafbfe739f5bc3d480cebb8dad', -1, 1569018009, 1569018009, '12cf88b8', -4, 0, 0)

Line : 189
File : sessions.php