There are expired or expiring licenses in your inventory".Manually remove the stale ESXi host license entries from vCenter Server by following below steps:
AssetEntity_host-<ID>-<UUID> and verify the property vmwLicSvcAssetName to locate the stale host name.vmwLicSvcAssetLicenseId will show as EvaluationLicenseId for the hosts with Evaluation License.AssetEntity_host-<ID>-<UUID> value if the property vmwLicSvcAssetName is matching to the stale hostname which needs to be removed from Licenses.