MS SharePoint Connector for Trello showing error message

[Chloe Rees]

When I try to add an Office 365 connector to a SharePoint site, I get the below error message. Any thoughts on a fix? 

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[Cody Curry]

Hi Chloe!

From the look of that error, it seems to me that Microsoft's connector is not returning the status Trello expects when trying to create that webhook. We expect a 200, but it sent a 405.

This would block that connection from happening. Since this integration is created and maintained by Microsoft, getting in touch with them will be the best bet to troubleshoot that. 

What's the main goal behind using that connector - perhaps there's an alternative way of achieving something similar that I can suggest?