Hi @Chned ,
Something here might be helpful:
How to get support in Microsoft Endpoint Manager admin center
https://learn.microsoft.com/en-us/mem/get-support
You can also create a support request over here:
https://support.serviceshub.microsoft.com/supportforbusiness
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(If the reply was helpful please don't forget to upvote and/or accept as answer, thank you)
Best regards,
Leon