phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a1ad0de2034b4297a993b3e824caf52f' 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 ('a1ad0de2034b4297a993b3e824caf52f', -1, 1711713472, 1711713472, '2cd3f3be', 7, 0, 0)

Line : 187
File : sessions.php