phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '57dc483d3ec0333c18c59511c483e3cf' 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 ('57dc483d3ec0333c18c59511c483e3cf', -1, 1769549963, 1769549963, 'd849d8d0', 5, 0, 0)

Line : 187
File : sessions.php