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 ('51931acb45a1d3b89497b00dd75a46b0', -1, 1542610594, 1542610594, '36938e10', 5, 0, 0)

Line : 189
File : sessions.php