Fixed issue #2730: Registering of Twitter App fails for Twitter App with existing webhooks.

app/controllers/external_credentials_controller.rb

@@ -26,6 +26,7 @@ class ExternalCredentialsController < ApplicationController
   def app_verify
     render json: { attributes: ExternalCredential.app_verify(params.permit!.to_h) }, status: :ok
   rescue => e
+    logger.error e
     render json: { error: e.message }, status: :ok
   end
 

lib/external_credential/twitter.rb

@@ -185,7 +185,7 @@ class ExternalCredential::Twitter
 
     # delete already registered webhooks
     webhooks.each do |webhook|
-      client.webhook_delete(webhook[:id])
+      client.webhook_delete(webhook[:id], env_name)
     end
 
     # register new webhook

lib/twitter_sync.rb

@@ -909,11 +909,11 @@ get all webhooks
 delete a webhooks
 
   client = TwitterSync.new
-  webhook_delete(webhook_id)
+  webhook_delete(webhook_id, env_name)
 
 =end
 
-  def webhook_delete(webhook_id)
+  def webhook_delete(webhook_id, env_name)
     Twitter::REST::Request.new(@client, :delete, "/1.1/account_activity/all/#{env_name}/webhooks/#{webhook_id}.json", {}).perform
   end