Mac mini m4 enable activation lock return INTERNAL_SERVER_ERROR

I work with https://developer.apple.com/documentation/devicemanagement/activationlockrequest?language=objc.

The same codes work well on other devices, such as iphone, ipad, mac air.

What causes?

What can i do to resovle it?

Mac mini m4 enable activation lock return INTERNAL_SERVER_ERROR
 
 
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