phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO blitz_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('d2e8b6a41adb880e96910a4989e68d1f', -1, 1713985135, 1713985135, '0aa8c802', 41, 0, 0)

Line : 200
File : sessions.php