Your header bid setup was detected, however, the misconfigurations are preventing returned bids from ad networks. As a result, your ad inventory is missing the full benefit of header bidding and your ad revenues are suffering.
Step 1: Log into tools.monetizemore.com > PubGuru Header Bidding> Configurations.
Step 2: Open the relevant configuration.
Step 3: Check to make sure the ad unit is added in the configuration.
Step 4: Check the slot field in the configuration to make sure it’s correct.
Step 5: Slot field should be your GAM ad unit code.
Step 6: Add the relevant bidders/Placement IDs (PIDs) for this ad unit.
Step 7: Check if all your ad units that should be running are complete in the configuration.
Step 8: Check their settings as well as per the above steps.