The cloud resource discovery executes below error appears 

org.mozilla.javascript.EvaluatorException: GlideRecord.query() - invalid table name: cloud_resources_service_type_map (<refname>; line 1)
Line(1)
JavaScript evaluation error on:
evaluateString(JavaScript evaluation error on:
new global.CloudResourceDiscoveryCountHandler().updateCloudResourcesCount('{"items":[],"relations":[],"logContextId":null}', 'cce17008dbfb33804868776b8c9619a5');
)

This is because of the Business Rule 'Initialize Cloud Resources Count' uses references for non existing tables cloud_resources_service_type_map & discovery_cloud_results.

1. Log into the instance 
2. Navigator >> Service Account 
3. Execute "Discover Datacenters" from the related links

This problem has been fixed and has no workaround. If you are able to upgrade, review the Fixed In or Intended Fix Version fields to determine whether any versions have a planned or permanent fix.