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 ('043b69e5f07966efbda9f6d19e14db58', -1, 1709054479, 1709054479, '22cca9e6', -7, 0, 0)

Line : 187
File : sessions.php