phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 144 Table './b79331_iophpbb/phpbb_sessions' is marked as crashed and last (automatic?) repair failed

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ca5a4590137545c9cc0e8697b7cc1c6f', -1, 1553355809, 1553355809, '34c91bd3', 1, 0, 0)

Line : 187
File : sessions.php