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) VALUES ('4100e98cc601fa6d51cb11a22d4884cb', -1, 1714350607, 1714350607, '12da303e', 20, 0)

Line : 158
File : sessions.php