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AdSense IAB TCF Error 3.3: How to delete old string and reobtain consent

  • Thread starter Thread starter Ilyas
  • Start date Start date
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Ilyas

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My site, which had been live for a few years now, uses AdSense with its integrated GDPR content feature, i.e. in IAB TCF terminology Google is acting as the CMP.

Over the last few weeks I have got the following message "We've detected an issue on your IAB TC string on one or more of your sites or apps. These errors may affect your ability to serve ads to European users. A detailed report is available for you on the EU user consent page".

When I look at the EU Content page in AdSense I can see download the TCF error report I see the following:

DomainAd unit
mydomain.comUnknown
mydomain.com9051459592
mydomain.com7113359331
[th]
Error​
[/th]​
[th]
Error count​
[/th]​
[th]
Last detected date​
[/th]​
[td]
3.3​
[/td]​
[td]
120​
[/td]​
[td]
15/03/2023​
[/td]​
[td]
3.3​
[/td]​
[td]
60​
[/td]​
[td]
14/03/2023​
[/td]​
[td]
3.3​
[/td]​
[td]
20​
[/td]​
[td]
12/03/2023​
[/td]​

So all errors are to do with consent (according to https://support.google.com/admanager/answer/9999955?hl=en) and it looks like I need to "delete the old TC string and reobtain consent".

My question is I don't know how to do this. What steps can I use to do this? I use AdSense directly (both ad units and auto ads) so it looks like I need to ask my users consent but I don't know how to do this.

Can anyone advise on what I need to do in order to reduce this error count. My sites get around 25,000 page view a day so the numbers mentioned above are not huge but still It would be better to not have any TCF errors at all.
<p>My site, which had been live for a few years now, uses AdSense with its integrated GDPR content feature, i.e. in IAB TCF terminology Google is acting as the CMP.</p>
<p>Over the last few weeks I have got the following message "We've detected an issue on your IAB TC string on one or more of your sites or apps. These errors may affect your ability to serve ads to European users. A detailed report is available for you on the EU user consent page".</p>
<p>When I look at the EU Content page in AdSense I can see download the TCF error report I see the following:</p>
<div class="s-table-container">
<table class="s-table">
<thead>
<tr>
<th>Domain</th>
<th>Ad unit</th>
<th style="text-align: right;">Error</th>
<th style="text-align: right;">Error count</th>
<th style="text-align: right;">Last detected date</th>
</tr>
</thead>
<tbody>
<tr>
<td>mydomain.com</td>
<td>Unknown</td>
<td style="text-align: right;">3.3</td>
<td style="text-align: right;">120</td>
<td style="text-align: right;">15/03/2023</td>
</tr>
<tr>
<td>mydomain.com</td>
<td>9051459592</td>
<td style="text-align: right;">3.3</td>
<td style="text-align: right;">60</td>
<td style="text-align: right;">14/03/2023</td>
</tr>
<tr>
<td>mydomain.com</td>
<td>7113359331</td>
<td style="text-align: right;">3.3</td>
<td style="text-align: right;">20</td>
<td style="text-align: right;">12/03/2023</td>
</tr>
</tbody>
</table>
</div>
<p>So all errors are to do with consent (according to <a href="https://support.google.com/admanager/answer/9999955?hl=en" rel="nofollow noreferrer">https://support.google.com/admanager/answer/9999955?hl=en</a>) and it looks like I need to "delete the old TC string and reobtain consent".</p>
<p>My question is I don't know how to do this. What steps can I use to do this? I use AdSense directly (both ad units and auto ads) so it looks like I need to ask my users consent but I don't know how to do this.</p>
<p>Can anyone advise on what I need to do in order to reduce this error count. My sites get around 25,000 page view a day so the numbers mentioned above are not huge but still It would be better to not have any TCF errors at all.</p>
 

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