phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1639c5794da2ced61db47452b22b1753' 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 ('1639c5794da2ced61db47452b22b1753', -1, 1714126863, 1714126863, '340f3f91', -4, 0, 0)

Line : 187
File : sessions.php