phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4451a4b523a320aa55b5bd9715a3def8' 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 ('4451a4b523a320aa55b5bd9715a3def8', -1, 1711718361, 1711718361, 'c0a80201', -4, 0, 0)

Line : 187
File : sessions.php