phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a857259e71442a72b33599f12176dbd8' 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 ('a857259e71442a72b33599f12176dbd8', -1, 1715792251, 1715792251, '0391090c', 0, 0, 0)

Line : 187
File : sessions.php