Duplicate Entry on HTTP Routers, Services, Middlewares

I am testing Traefik 2.0 in Azure Service Fabric, i am getting duplicate entry in HTTP routers, Services and Middlewares. Here with sharing the traefik.yaml and dyn.yaml which used. Please let me know any additional configuration required

traefik.yaml

global:
  checkNewVersion: false
  sendAnonymousUsage: false 
defaultEntryPoints : "web"
entryPoints:
  web:
    address: :443
    http:
       middlewares:
         - test-errorpage@file
ping:
  entryPoint: "web"
api:
  dashboard: true
 
log:
  level: DEBUG
  filePath: "log/traefik.log"
  format: json
serversTransport: 
  insecureSkipVerify: true

providers:
  file:
    directory: dyn.yaml
    watch: true   

dyn.yaml

http:
  routers:
    dashboard:
      rule: PathPrefix(`/api`) || PathPrefix(`/dashboard`)
      service: api@internal
  middlewares:
    test-errorpage:
      errors:
        status:
          - 400
          - 402-599
        service: serviceError
        query: "/Maintenance"

  services:
    serviceError:
      loadBalancer:
        sticky:
          cookie:
            httpOnly: true
            name: stickycookie
            sameSite: none
            secure: true        
        servers:
          - url: https://demo.com/Maintenance/

tls:
  certificates:
    - certFile: "./traefik.crt"
      keyFile: "./traefik.key"
    - certFile: ./sfc.crt
      keyFile: ./sfc.key
  options:
    foobar:
      minVersion: VersionTLS12
      cipherSuites:
        - TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
        - TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305
        - TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305
        - TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
        - TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256

Dashboard Screenshots

Pinger ServiceManifest

<Extensions>
        <Extension Name="traefik">
          <Labels xmlns="http://schemas.microsoft.com/2015/03/fabact-no-schema">
            <Label Key="traefik.enable">true</Label>            		
			<Label Key="traefik.http.PingerEndpoint0">true</Label>
			<Label Key="traefik.http.PingerEndpoint0.router.rule">PathPrefix(`/pinger`)</Label>
			<Label Key="traefik.http.PingerEndpoint0.middlewares.1.stripPrefix.prefixes">/pinger</Label>
			<Label Key="traefik.http.PingerEndpoint0.router.tls.options">foobar</Label>
			<Label Key="traefik.http.PingerEndpoint0.service.loadbalancer.healthcheck.path">/</Label>
			<Label Key="traefik.http.PingerEndpoint0.service.loadbalancer.healthcheck.interval">10s</Label>
            <Label Key="traefik.http.PingerEndpoint0.service.loadbalancer.healthcheck.scheme">http</Label>			
          </Labels>
        </Extension>