Failure in copy service command using 3scale toolbox

Issue

• Issues using the 3scale toolbox to copy services over same environment source and destination with toolbox version 0.18.3.

  3scale -v
  0.18.3 
  

• HTTP Forbidden 403 Forbidden Error when using copy service command .

  3scale copy service 357 --source=https://{ACCESS_KEY}@{3SCALE_ADMIN}-admin.{DOMAIN_NAME} --destination=https://{DEST_KEY}@{3SCALE_ADMIN}-admin.{DOMAIN_NAME} --target_system_name={NEW_NAME}
  new service id 104
  updated proxy of 104 to match the original
  original service hits metric 843 has 0 methods
  target service hits metric 305 has 0 methods
  created 0 missing methods on target service
  original service has 1 metrics
  target service has 1 metrics
  created 0 metrics on the target service
  target service missing 1 application plans
  Missing 0 plan limits from target application plan 309. Source plan 1023
  copy proxy policies
  Missing 0 pricing rules from target application plan 309. Source plan 1023
  copying all service ActiveDocs
  destroying all mapping rules
  {
    "code": "E_UNKNOWN",
    "message": "#<Net::HTTPForbidden 403 Forbidden readbody=true> body={\"status\":\"Forbidden\"}",
    "class": "ThreeScale::API::HttpClient::ForbiddenError",
    "stacktrace": [
      "C:/3scale-toolbox/embedded/lib/ruby/gems/2.5.0/gems/3scale-api-1.4.0/lib/3scale/api/http_client.rb:74:in `forbidden!'",
      "C:/3scale-toolbox/embedded/lib/ruby/gems/2.5.0/gems/3scale-api-1.4.0/lib/3scale/api/http_client.rb:59:in `parse'",
      "C:/3scale-toolbox/embedded/lib/ruby/gems/2.5.0/gems/3scale-api-1.4.0/lib/3scale/api/http_client.rb:36:in `get'",
      "C:/3scale-toolbox/embedded/lib/ruby/gems/2.5.0/gems/3scale-api-1.4.0/lib/3scale/api/client.rb:1025:in `list_backend_usages'",
      "C:/3scale-toolbox/embedded/lib/ruby/gems/2.5.0/gems/3scale_toolbox-0.18.3/lib/3scale_toolbox/remote_cache.rb:144:in `public_send'",
      "C:/3scale-toolbox/embedded/lib/ruby/gems/2.5.0/gems/3scale_toolbox-0.18.3/lib/3scale_toolbox/remote_cache.rb:144:in `method_missing'",