Follow the below procedure to resolve the issue :
1. Log in to the VCF Automation interface at https://<vcf_automation_fqdn>/provider using an account with an Administrator role.
2. In the left pane, navigate to VCF Instances.
3. On the VCF Instances page, click the vertical ellipsis next to the VCF instance listed, and, from the drop-down menu, select Refresh .
Refreshing a VCF Instance will detect new workload domains in the VCF Instance and register them in VCF Automation.