# Package com.lowagie.text.exceptions

- Exception Summary
  Exception | Description
  --- | ---
  BadPasswordException | Typed exception used when opening an existing PDF document.
  IllegalPdfSyntaxException | Typed exception used when creating PDF syntax that isn't valid.
  InvalidPdfException | Typed exception used when opening an existing PDF document.
  UnsupportedPdfException | Typed exception used when opening an existing PDF document.