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 ('a5acc79bc5484d6f2bb6da7f1617cadc', -1, 1714691244, 1714691244, '12dd3505', 0, 0)

Line : 158
File : sessions.php