Import ebook "Subtitles can't be used"

Hello, when using the “Import ebook” function with a .pdf I sometimes get the above, which is evidently an error message because the operation stops.

Any workaround or solution would be appreciated.

John

Hi John,
We are familiar with this issue already, other users had the same problem and already created a forum thread about it before. It’s reported to our team and hopefully we will have it fixed soon. Thanks for your patience.

Tx, looking forward to any resolution.