Butler failed to send message to Teams with error code 500

[wieeem]

What version of Butler are you using?

9.0.0

What version of Node.js are you using? Not applicable if you use the standalone version of Butler.

18.12.1

What command did you use to start Butler?

node butler.js --loglevel debug

What operating system are you using?

Linux

What CPU architecture are you using?

x86_64

What Qlik Sense versions are you using?

2021

Describe the Bug

Butler failed to send Teams notifications whenever a reload task fails on the QlikSense server.
Error: TEAMSNOTIF: Request failed with status code 500.

Expected Behavior

No response

To Reproduce

No response