phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '16c513f53336fb105c2467dd0a655ebd' 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 ('16c513f53336fb105c2467dd0a655ebd', -1, 1772081660, 1772081660, 'd849d8bf', -4, 0, 0)

Line : 187
File : sessions.php