phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8f16e9eb5e1de5a60bcdb2f6c8f4fcd4' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8f16e9eb5e1de5a60bcdb2f6c8f4fcd4', -1, 1762332824, 1762332824, 'd849d89d', 7, 0, 0)

Line : 215
File : sessions.php