phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6987d6731fe51d8c667fe71fd8350641' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('6987d6731fe51d8c667fe71fd8350641', -1, 1770330067, 1770330067, 'd849d802', 2, 0)

Line : 180
File : /www/includes/sessions.php