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 ('7f998bf8253a14fe185d639efc9a3a61', -1, 1714003476, 1714003476, '0390112d', 0, 0)

Line : 158
File : sessions.php