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 ('bf4fc426e2c5ee2c1ef64aa61f7fd8fe', -1, 1542266426, 1542266426, '36a31439', 3, 0, 0)

Line : 189
File : sessions.php