phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6cd29c95618f594f1161539d081c2ec2' 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 ('6cd29c95618f594f1161539d081c2ec2', -1, 1771947212, 1771947212, 'd849d8d9', -4, 0, 0)

Line : 215
File : sessions.php