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 ('69dd067cb00b21a460ce1f55ba54e2b8', -1, 1542813629, 1542813629, '36a75f33', -11, 0, 0)

Line : 189
File : sessions.php