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PDF Error - Unable to determine the language of the following Metadata entries: Title, Author

PDF Accessibility | Set the primary language for the document

Last updated: September 2025

Issue: Unable to determine the language of the following Metadata entries: Title, Author

Meaning: This error means the document's metadata (Title and Author) lacks a specified language, which can affect screen reader pronunciation and accessibility.

Fix: Check for Accessibility and set the primary language.

💡 Note: Streamline staff are website accessibility experts, not PDF remediation specialists. We’re unable to provide direct support with remediation software or techniques. These articles and videos are here to be helpful, but if you need solutions, see our Document Remediation Options article — it covers DocAccess, DIY approaches, and professional paid remediation services.

If you use Adobe Acrobat to create your PDFs watch this video: