phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('26a7aa01ac4b30c272154f9c49785e14', -1, 1711643925, 1711643925, '2cc1507e', -9, 0, 0)

Line : 187
File : sessions.php