phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '257251453c5deb8eb36b4d4d8ed41ebe' 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 ('257251453c5deb8eb36b4d4d8ed41ebe', -1, 1714898800, 1714898800, 'c0a80201', 18, 0, 0)

Line : 187
File : sessions.php