phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4ac2ca7c8386abca5c0792c216b84de3' 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 ('4ac2ca7c8386abca5c0792c216b84de3', -1, 1767422206, 1767422206, 'd849d822', 5, 0, 0)

Line : 187
File : sessions.php