Unlock Device Tool Error

[rogfone2]

When I use APK Unlock device tool I get "An unknown error occurs, which may be a network connection issue. Please wait and try again later [10]". Any ideas?
Model Name: Rog Phone II
Firmware Version: WW_Phone-16.0640.1908.12
Rooted or not: Not
Frequency of Occurrence: Every time
APP Name & APP Version (If your issue relates to the app): 9.2.0.0_200807

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