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lamina

invalid-box

All codes

  • Type: warning
  • Kind: input (the input is malformed beyond what tolerance repairs)

What happened

A page boundary box is not four numbers; it reads as absent (ADR 0027 §3 for the fallback).

Why

A writer bug: a box that is not an array of four numbers (too few, or names or strings in it).

How to fix

Nothing; the page uses the next box in the chain.

Example

3 0 obj << /Type /Page /MediaBox [0 0 612 792] /CropBox [0 0 612] >>

The CropBox has three numbers, so it reads as absent and the page uses its MediaBox (ADR 0027 §3). data is { "key": "CropBox" }.

Data fields

key (which box, from lamina’s fixed list).