phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './forum/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 ('b618921e4de8fe5d9b7ab2fb486dbe96', -1, 1571809152, 1571809152, '12d0bba9', 0, 0, 0)

Line : 189
File : sessions.php