To highlight the issue and provide workaround steps.
Symptoms:
Within the NSX Manager Overview UI, you see the Connected VPC is disconnected as below:
Within the NSX Manager UI>Networking>Connected VPC, the following error is seen:
Error: Failed to get linked VPCs error: Failed to get manager objects LogicalRouterListDto(Error Code: 80430)
AWS Account ID and Connected VPC information is not populated.