Cloud Automation Create Calendar Event error. Assistance request with config

[Berto2002]

We have a cloud node we want to add a calendar event. We're trying with my personal calendar.

Error: iBridge Method: /Microsoft/Office 365/Calendar/Create Calendar Event.m Error: Http::postOAuth2RefreshTokenRequest: The specified credential [microsoft] was not provided by the calling process, please check your configuration...

We have one of these which is a valid KeySafe of Type Microsoft:

And then we config the node like this. My userID in AD is my email address so that's in the UserID field:

Can anyone help from experience please?

Also @JamesGreen

[Berto2002]

Just bumping-up the list in case someone can help here

[Steve Giller]

I can't help from experience, nor have I seen the Microsoft API for this, but I would imagine it's difficult to create a Calendar Event without specifying which Calendar you wish to place it on.

[Berto2002]

I gather it's either UserID or GroupID or CalendarID but I will re-look at this.