phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '78c351ff0b6afe990676479ffbafbed0' 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 ('78c351ff0b6afe990676479ffbafbed0', -1, 1714412904, 1714412904, '12d90852', -10, 0, 0)

Line : 187
File : sessions.php