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 ('4d2f94a17165f6dab14d05872f813784', -1, 1714118291, 1714118291, '12deb8a2', -4, 0)

Line : 158
File : sessions.php