Should work if the extension .vtt is correct, just tested it myself. There may be something in your setup that confuses the file type detection. Can you copy the contents of Podlove > Support? Might be a compatibility bug, so you can also open an issue here: https://github.com/podlove/podlove-publisher/issues
Thank you for the replies, but I assure you that the file I am trying to upload has the .vtt extension and I get the same errors. I’ve tried in both Firefox and Chrome browsers with the same results. Any other ideas?
Website http://2guys.red40net.com
PHP Version 7.2.27
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WordPress Theme Podcast Child v1.0.4.1577710049
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