phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a8616c599d4dece2bc9594e712e92052' 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 ('a8616c599d4dece2bc9594e712e92052', -1, 1758235548, 1758235548, 'd849d8a0', 12, 0, 0)

Line : 187
File : sessions.php