When your app sends a an ad request, our server occasionally returns a sleep. The following is a list of the most common reasons for a sleep:
| Sleep Time | Meaning | Tips |
|---|---|---|
| -1 | Success | The ad request was successfully sent and received, and an ad was sent back. |
| 60-120 | Server error | Server errors are channeled to sleep codes in this range. Such errors should not occur frequently. |
| 117 | Unaccounted server error | The ad request was made from a device that doesn't match the Test device IDFA/ GAID in the Dashboard. |
| 302 | Not WiFi | The app ID is configured to only serve when the device is connected to WiFi, and the request was made with a cellular connection. |
| 305 | Publisher not found | Publisher app ID is not found in Liftoff database. |
| 350 | No active campaigns | There is no active campaign in the geo location from which the ad request was sent (based on the device IP address). |
| 605-1805 | Impression auctioned not sold | The Liftoff ad server did not receive a valid bid from any of our bidders. The sleep time is incremented in 60-second intervals from 605 up to 1805. |
| 666 | No backend | This is caused by a load balancer issue, which should be very rare. |
| 1800 | Filters eliminated all options | Dashboard configuration options, such as minimum OS version, have filtered out all campaigns for this ad request. |
| 1801 | Exchanged removed all campaigns | Liftoff's ad server did not receive a valid bid from any Vungle Exchange bidder. |
| 1803 | Filters cropped publisher whitelist | There is a conflict between the settings defined in the Dashboard. For example, whitelist or blacklist settings under the account, application, or placement level are in conflict with those in another level. |
| 3600 | Inactive app | This happens when your app is set to inactive in the Publisher Dashboard. Change the app to Active or Test mode and try again. |
| 3603 | Publisher Daily View Limit | The daily view limit (DVL) has been reached. This is set to 20 by default; to change this value, contact our technical support team. |
| 86400 | Inactive publisher | Publisher app ID is set to inactive mode. |
| 172800 | Below minimum OS | The ad request was made from device that does not meet the minimum OS version. This sleep can also indicate that the ad request was made from a platform that is different than what is specified on the Liftoff Monetize Dashboard. |
If you're still having problems, contact our tech support team.