Persistent message

Hello,
I just installed a new office where WORD 2019 was located. Every time I work on a document, I get a message saying "download failed, the server quota has been exceeded." It then advises me to save my document. This appears every two minutes. Can someone help me? Or give me a number where I can contact someone who can help me?
Help!
Thank you

Configuration: Windows / Firefox 69.0

1 answer