On a spreadsheet hyperlinking to a pdf document intermittently returns a blank (black) document.

On a spreadsheet hyperlinking to a pdf document intermittently returns a blank (black) document.
Either a button or text has the same result occasionally.
Using windows 10 and the latest Libreoffice. The actual page of the document is totally black.
Just checked I had version 6.0.3.2. just downloading 6.3.3 will check for improvement!

Which Operating system and LibreOffice-Version do you use?

Could you please describe it in more detail?
What is blank (black), the symol or the PDF, when you open it?

Please edit your initial question therefor.

Do not write an answer if it is not a solution to your question. Thanks.

Just checked I had version 6.0.3.2. just downloading 6.3.3 will check for improvement!

Version 6.3.3. I would have suggested to you now.