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 ('4c1026b88b16d936a396ca4113d3d8d9', -1, 1714327513, 1714327513, '038cb9aa', -10, 0)

Line : 158
File : sessions.php