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 ('5c39ac35f232b96bc578afe2afbc2ef4', -1, 1542811795, 1542811795, '36c4be20', 3, 0, 0)

Line : 189
File : sessions.php