Size Mismatch Between Header Bidding Placement ID and Ad Requested. Here’s How To Fix It.

This post was most recently updated on noviembre 7th, 2021

The size configured for the Header Bidding Placement ID or parameter doesn’t match the ad size being requested.

Troubleshooting

Step 1: Log into Ad Manager > Inventory > Ad Units

Step 2: Search for the ad unit/s and check if you have the correct ad size/s in the settings. Edit and make corrections if necessary.

Step 3: Cross-check the ad sizes configured for each ad unit versus the ad sizes in Ad Manager

Step 4: If you have an ON-page setup, audit the ad sizes defined in your source code. Make corrections if necessary.

Step 5: If you have Size Mapping enabled, add the relevant Bidder-level size/s in your Header Bidding configuration:

Step 6: Audit the Placement ID’s or parameters configured for each bidder to make sure they match the Ad Unit sizes.

Step 7: Re-run PubGuruAI after making changes and see if the error persists. If yes:

For some bidders, you can log into their user interface and check the settings.

If you’re unable to do so, reach out to your ad representative to have them re-check the issue.

Need more help? Send us an email at support@monetizemore.com or log in to PubGuru App and use the Chat widget for immediate support.