anchor.diff:  
   == Troubleshooting
   
  -This section explains some common issues and their solutions.
  +This section covers some common issues and their solutions.
   
   === Emails not sent
   
  
positive.code: 
  A plugin can be installed via the https://github.com/killbill/killbill-cloud/blob/master/kpm[Kill Bill Package Manager (KPM)]. For this, please follow the steps given below:
  
  * Ensure that you have kpm installed as explained https://github.com/killbill/killbill-cloud/tree/master/kpm#kpm-installation[here]. 
  
  * Install the plugin as per https://docs.killbill.io/latest/plugin_development.html#_deployment_through_kpm[these] plugin installation instructions. (Use `email-notifications` as the plugin key)
  
  * Verify that the plugin is installed properly. This can be done by ensuring that the plugin JAR is present at the `path_to_install_plugin` specified in the previous step. Alternatively, you can also open Kpm in Kaui and verify that the email notification plugin is running as follows:
  image:https://github.com/killbill/killbill-docs/raw/v3/userguide/assets/img/demail-notification-plugin/kaui_email_notification_plugin.png[align=center]
  
  
  == Database Configuration
  
  The email-notification-plugin requires some additional database tables. In order to create these tables, please follow the steps given below:
  
  * Connect to the Kill Bill database. 
  
  
negative.code: org.killbill.billing.plugin.email-notifications.smtp.defaultSender=xxx@yyy.com' \
  http://127.0.0.1:8080/1.0/kb/tenants/uploadPluginConfig/killbill-email-notifications
       
  . If you are on Windows, we recommend that you use https://git-scm.com/download/win[Git Bash] to run the above command. Since the above is a multiline cURL command, it may not run properly in the standard windows command prompt. Alternatively, you may also use https://www.postman.com/[Postman] to execute the tenant configuration endpoint as explained https://docs.killbill.io/latest/postman.html[here].
  
  . *Configure the account* using the following cURL command (Replace `{accountId}` with the id of the account for which emails need to be sent and `<events>` with a comma-separated list of the events for which the emails need to be sent. For example, to configure the account to send emails for *INVOICE_CREATION* and *INVOICE_PAYMENT_SUCCESS*, specify `"INVOICE_CREATION", "INVOICE_PAYMENT_SUCCESS"`):
  [source,bash]
  curl -v \
       -X POST \
  