phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6a8a3a9a05716dc5b1b58fad2bb912a4' 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 ('6a8a3a9a05716dc5b1b58fad2bb912a4', -1, 1711707875, 1711707875, '22eb9697', -4, 0, 0)

Line : 187
File : sessions.php