phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd878849c9488e914a5b1c6aa6bcff4cb' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('d878849c9488e914a5b1c6aa6bcff4cb', -1, 1714355042, 1714355042, '0313d386', 19, 0, 0)

Line : 187
File : sessions.php