phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '870921fa0ab9620bfc99f1fd18eec849' 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 ('870921fa0ab9620bfc99f1fd18eec849', -1, 1750390592, 1750390592, 'd849d813', 8, 0, 0)

Line : 289
File : sessions.php