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, session_admin) VALUES ('c2a454d86d5db9e949f5d7b2cea73d10', -1, 1753260077, 1753260077, 'd849d861', 42, 0, 0)

Line : 190
File : sessions.php