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 ('41f6f72f866d15782bd01cf5367f92ea', -1, 1730419906, 1730419906, '038efcbf', -1280, 0, 0)

Line : 195
File : sessions.php