phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a46e86c9bd84ab4158f0d83248758802' 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 ('a46e86c9bd84ab4158f0d83248758802', -1, 1714304255, 1714304255, '0391978d', 15, 0, 0)

Line : 187
File : sessions.php