phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('7e57a110a12c4337447a43d20fbeeb86', -1, 1714513206, 1714513206, '0387be65', 0, 0, 0)

Line : 187
File : sessions.php