PDF Error - Parent tag of Link annotation doesn't define the Alt attribute
PDF Accessibility | Link Tag Missing Alt Text
Last updated: September 2025
Issue: Parent tag of Link annotation doesn't define the Alt attribute
Meaning: The link tag (a clickable hyperlink in the PDF) is missing alternative (Alt) text properly defined in its parent tag.
Fix: Edit hyperlink and add alternate text
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Fixing this should also automatically fix the error:
"Link Annotation doesn't define the Contents attribute."