/var/log/vrlcm/vmware_vrlcm.log on the Fleet Manager appliance
ERROR vrlcm[##] [http-nio-8080-exec-##] [c.v.v.l.l.c.EnvironmentController] – Exception while creating Environment : com.vmware.vrealize.lcm.lcops.common.exception.InvalidEnvironmentException: Deployment or Import Blocked: You’ve reached the limit of allowed instances for VCF Operations (maximum: 1). Please check your inventory and remove any existing deployed, failed or draft instance(s) to proceed with the new deployment or import.
VCF Operations Fleet Manager can lose connection to VCF Operations when upgrading or if there are network, NTP, or DNS issues present
Contact Broadcom technical support for further assistance.