phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '793474cfa120c48a15f03fd3e249f2de' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('793474cfa120c48a15f03fd3e249f2de', -1, 1793843026, 1793843026, 'd849d8b0', 1, 0, 0)

Line : 187
File : sessions.php