The following error occurred when creating the gateway interface. ”One or more of the IPs defined in the GW Interface resource did not pass the validation!”

Please confirm the following about the IP address you are setting.
The IP addresses that can be assigned to the gateway interface of the Internet gateway are as follows.
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・Private IP address
10.0.0.0/8
172.16.0.0/12
192.168.0.0/16

・Global IP address which assigned by Internet Gateway(contracted for this service)

【Reference】
Service Descriptions - Internet Connectivity - Internet Gateway Function
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