'Apple Local Push Connectivity with error nil?

I'm trying to configure Local Push Connectivity. I already have Local Push Entitlement, and have install a provisioning profile with local push entitlement. It's build fine but when app start, PushProvider didn't active and start and Push Manager show error nil. I have done every instructions that sample code have provided.

This is my project.

In my application target, I have a bundle id com.my_team_name.my_app_name

and in the app group name group.com.my_team_name.my_app_name

In the .entitlement, I've set the required configuration:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>com.apple.developer.networking.networkextension</key>
    <array>
        <string>app-push-provider</string>
    </array>
    <key>com.apple.developer.networking.wifi-info</key>
    <true/>
    <key>com.apple.security.application-groups</key>
    <array>
        <string>group.com.my_team_name.my_app_name</string>
    </array>
</dict>
</plist>

Info.plist has noting to change

And I have a PushManager Class with this code

class AppPushManager: NSObject, NEAppPushDelegate{
    func appPushManager(_ manager: NEAppPushManager, didReceiveIncomingCallWithUserInfo userInfo: [AnyHashable : Any] = [:]) {
        
    }
    
    static let shared = AppPushManager()
    
    private var pushManager: NEAppPushManager = NEAppPushManager()
    private let pushManagerDescription = "PushDefaultConfiguration"
    private let pushProviderBundleIdentifier = "com.my_team_name.my_app_name.PushProvider"
    
    func initialize() {
        if pushManager.delegate == nil {
            pushManager.delegate = self
        }
        
        pushManager.localizedDescription = pushManagerDescription
        pushManager.providerBundleIdentifier = pushProviderBundleIdentifier
        pushManager.isEnabled = true

        pushManager.providerConfiguration = [
            "host": "my_server.local"
        ]

        pushManager.matchSSIDs = ["my_wifi_ssid"]
        
        pushManager.saveToPreferences(completionHandler: { error in
            print("error? \(String(describing: error))")
            print("is active: \(pushManager.isActive)")
        })
    }
}

In my extension, A PushProvider Target. I have a bundle id com.my_team_name.my_app_name.PushProvider

and in the app group name group.com.my_team_name.my_app_name

In the Info.plist of my extension, I've added the required configuration:

<key>NSExtension</key>
<dict>
    <key>NSExtensionPointIdentifier</key>
    <string>com.apple.networkextension.app-push</string>
    <key>NSExtensionPrincipalClass</key>
    <string>$(PRODUCT_MODULE_NAME).PushProvider</string>
</dict>

the .entitlement file have the same contents as the application.

and I have created the extension class "PushProvider.swift" as follow:

class PushProvider: NEAppPushProvider {
    ...
}

When I run the application, I got this printed out

error? nil
is active: false

I think it might be something with providerBundleIdentifier in Push Manager. Have anyone know what I've missing?

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'Apple Local Push Connectivity with error nil?

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