@Rishineken Pongen Thanks for posting in our Q&A.
For this issue, we appreciate your help to collect some information:
1.Please check if the profile status actually shows "not assigned" under Devices > Enroll devices > Windows enrollment > Devices.
2.Please try to create a device group and some devices in this group. Then test if you can assign the autopilot profile successfully.
If there is anything update, feel free to let us know.
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