@Seiya Zelin Shen This looks similar to Didn't have permission of ADT
Please verify that your account has the Azure Digital Twins Data Reader role on the Azure Digital Twins instance if you're just trying to read its data, or the Azure Digital Twins Data Owner role on the instance if you're trying to manage its data.
If you do not have this role, set it up to resolve the issue.
Below are the list of available role assignments. Choose Azure Digital Twins Data Owner role.
Also, please refer : Troubleshoot Azure Digital Twins Explorer: Authentication errors
Hope this helps. Please let us know if you need further help with this matter.
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