Bidder has Multiple Sizes in Parameters, but Cannot Use Multi-size Placement IDs with Sizemapping. Follow These Steps To Fix It.

In order for the Placement ID’s to work with Size Mapping, you’ll need to configure multi-sized Placement IDs according to Size Map.

Troubleshooting

Step 1: Open the relevant PubGuru header bidding configuration

Step 2: Make sure the sizes configured matches the sizes in the Size Map

For example, AdUnit1 has 3 Size Maps:

ad unit size mapping

The bidder size parameter should match at least one of the sizes in Size Mapping:

bidder parameters

Step 3: If an ad unit will run only on a specific device, still add other devices’ minWidths, but don’t add sizes to it.

Example 1:

A mobile unit will have the following size mapping setup:

ad unit sizes

Example 2:

A desktop/tablet unit will have the following size mapping setup:

ad unit size

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