phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '176db47721d05f2e494d969f8c4a4186' 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 ('176db47721d05f2e494d969f8c4a4186', -1, 1766378383, 1766378383, 'd849d883', -9, 0, 0)

Line : 187
File : sessions.php