If an event from the following table is saved to a profile's card after sending email/SMS/web push/mobile push communication, your message wasn't sent due to [capping](/docs/settings/configuration/campaign-limits). 

| Event name           | Description                                                                                                                                                        |
|----------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `newsletter.capping` | An email wasn't sent due to limit of emails that can be sent to a customer in a defined time frame.             |
| `push.capping`       | A mobile push wasn't sent due to limit of mobile pushes that can be sent to a customer in a defined time frame. |
| `sms.capping`        | An SMS wasn't sent due to limit of SMSes that can be sent to a customer in a defined time frame.                 |
| `webpush.capping`    | A web push wasn't sent due to limit of web pushes that can be sent to a customer in a defined time frame.       |


If an expired capping (for example, capping was set to 24 hours, but blocked a message that you wanted to send after more than 24 hours since the last message) is blocking your messages, contact Synerise Support.