Webhook doesn't work

[Andrei]

I may have the same Problem as you. Check my Topic. Do you find Infos in “Failed notifications” as I do?

MsTeams Plugin - Workflow (failure)

CMK version: 2.3.0p18 OS version: Debian GNU/Linux 12 Bookworm **Error message: {“error”:{“code”:“InvalidRequestContent”,“message”:“The input body for trigger ‘manual’ of type ‘Request’ must be of type JSON, but was of type ‘application/octet-stream’.”}} Hi guys, I really tried many thing, still I cannot figure it out, what the problem is. I switched, as intended, to Workflows (Ms-Teams Plugin) in order to get the notifications on Teams. The Messages aren’t leaving the Checkmk! in Monito…