MadCap Software Forums

(Flare version 2023r2)

I also had that error (Publish failed: Value cannot be null.) while trying to publish to SharePoint.

In my case, the issue was that in the Destination file, I had unchecked the Upload Log File box. Called MadCap Support who advised that box has to be checked.

Once checked ...

I realize this thread is old but just wanted to add ...

I don't think it's exactly the same situation as what oceanclub was experiencing, but something similar was happening with me in Flare whereby no styles were appearing in the Style dropdown. I would click the little arrow to open the dropdown ...