I have an error invalid token wrong iss

I have a NestJs server application in a docker container. i would like to secure the different enddpoint of my API with keycloak, I use JWT with keycloak but when i want to reach a secure endpoint it’s return the error :
"WARN [Keycloak] Cannot validate access token: Error: Grant validation failed. Reason: invalid token (wrong ISS)
"
I use the npm package “nest-keycloak-connect”
I try to reach a secure endpoint with an frontend application build with angular and secure by keycloak to .

My object of configuration is :

 KeycloakConnectModule.register({
      authServerUrl:
        'http://localhost:8080/realms/Cop_saas/protocol/openid-connect/auth',
      realm: 'my_realm',
      clientId: 'nest-app',
      secret: 'xxxxxxxxxxxxxxxxx',
      policyEnforcement: PolicyEnforcementMode.PERMISSIVE, // optional
      tokenValidation: TokenValidation.ONLINE,
{
  "exp": 1702050693,
  "iat": 1702050393,
  "auth_time": 1702050392,
  "jti": "8a1d65ad-7850-454d-9b29-c5f8a56242de",
  "iss": "http://localhost:8080/realms/Cop_saas",
  "aud": "account",
  "sub": "bfe25071-688e-45b4-bd72-40391f62f9ce",
  "typ": "Bearer",
  "azp": "KMO_Predict",
  "nonce": "53d2a0aa-dd32-47bb-8a50-38bffcdfc059",
  "session_state": "8bd773a0-70bb-4d5f-915a-764d3fdd30a8",
  "acr": "1",
  "allowed-origins": [
    "*"
  ],
  "realm_access": {
    "roles": [
      "kmo-predict_admin",
      "offline_access",
      "cop_super-user",
      "default-roles-cop_saas",
      "uma_authorization",
      "cop_developer"
    ]
  },
  "resource_access": {
    "account": {
      "roles": [
        "manage-account",
        "manage-account-links",
        "view-profile"
      ]
    }
  },
  "scope": "openid email profile",
  "sid": "8bd773a0-70bb-4d5f-915a-764d3fdd30a8",
  "email_verified": true,
  "name": "Grégoire Chevalier",
  "preferred_username": "g.chevalier",
  "given_name": "Grégoire",
  "family_name": "Chevalier",
  "email": "g.chevalier@cop-amaco.com"
}

thank you for your time