If your ad has been playing and you have not made any changes to it, go to the Campaign section, and then follow these steps to determine the issue:
1.Check to see if any ads that belong to the campaign have played by checking the plays and impressions.
a.In Campaigns, click the name of the campaign you want.
b.In Campaign Summary, Revenue & Performance, view the Impressions Required section. Check to see if the number is greater than 0 for Plays/Impressions. If it is greater than 0 then the ads played.
2.Check the campaign start and end dates to see if today's date falls between the dates.
3.Check the ad's flight start and end dates to see if today's date is included.
a.In Campaigns, click the campaign the ad belongs to.
b.In the campaign, click the ad.
c.In the summary, scroll down to the Flights Summary section. Check the start and end dates.
4.Check to see if the ad flight has met its required plays or impressions.
a.In Campaigns, click the campaign the ad belongs to.
b.In the campaign, click the ad.
c.In Ad Summary, click Flights. Check the Target % field: if it shows 100% then the ad has met its required plays or impressions and will not run.
5.Check the revenue section to see what the required plays/impressions per day and remaining plays/impressions show.
a.In Campaigns, click the campaign the ad belongs to.
b.Scroll down to the ad.
c.Click the ad.
d.To view the Required Plays/Impressions, check in the Revenue module, under the Performance chart.
6.Check to see if an ad has been added with the same compete code, but with a higher priority.
a.Click the specific campaign you want to see the compete code for.
b.To view the compete code and the ad priority, click the Campaign Summary tab and check under Campaign Basics.