Silently fails with logs in the console

[hyunbinseo]

this.program: /working/input.pdf: invalid password
[remove-owner-password.worker-7b25d96b.js:3:274]

Error: Failed to remove owner password
[remove-owner-password.worker-7b25d96b.js:4:13509]

• The PDF file used is Korea's '4대 사회보험료 완납증명서'
• The PDF files work in iLovePDF Unlock PDF.