phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8f746951b9eba6f0d8ab7b1863949b16' 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 ('8f746951b9eba6f0d8ab7b1863949b16', -1, 1765532101, 1765532101, 'd849d8bd', 1, 0, 0)

Line : 187
File : sessions.php