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Call to undefined function on upload any file
Daniel
Posts: 2
- Custom Fields
June 12, 2025
Hello: When uploading a file using a custom TP Upload field, we receive error "Call to undefined function TechFry\Library\J4File() " when saving the article, as shown in the attached screenshot.
The environment is Joomla 4.3 with PHP 8.4 (also tested on 8.3). What could it be?
Thank you very much.