phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './themedat_phpbb/sessions' is marked as crashed and should be repaired

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6e78a8cd5419971fecf4e267ea2fbb8a', -1, 1542813619, 1542813619, '36a75f33', 5, 0, 0)

Line : 189
File : sessions.php