@DAMIEN VAN ROBAEYS , Doing research and find an article in GitHud describe the createDeviceLogCollectionRequest action.
https://github.com/microsoftgraph/microsoft-graph-docs/blob/master/api-reference/beta/api/intune-devices-manageddevice-createdevicelogcollectionrequest.md
We can read the above articles to see if it can help. If the issue persists, as Q&A is with limitation resource, we suggest to contact Intune support to get more help:
https://learn.microsoft.com/en-us/mem/get-support
Thanks for the understanding and have a nice day!
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