<div style="display: flex; flex-wrap: wrap; white-space: pre-wrap; align-items: center; "><img height="20" width="20" style="border-radius:50%; margin-right: 4px;" decoding="async" src="https://avatars.githubusercontent.com/u/8215825?s=20&v=4" /><strong>shaomingquan</strong> left a comment <a href="https://github.com/openstreetmap/openstreetmap-website/issues/6173#issuecomment-3061778743">(openstreetmap/openstreetmap-website#6173)</a></div>
<p dir="auto">Hi, I'm maintaining a third-party editor based on the iDEditor. Currently, I found I cannot log in to my OSM account in my application, on the callback page, the following error occurred<br>
<code class="notranslate">Uncaught TypeError: Cannot read properties of null (reading 'authComplete')</code><br>
I checked another third-party editor <a href="https://rapideditor.org/rapid#map=2.00/0.0/0.0&background=Bing" rel="nofollow">https://rapideditor.org/rapid#map=2.00/0.0/0.0&background=Bing</a>, and got the same error. I think it's because of the header cross-origin-opener-policy same-origin.</p>
<p dir="auto">Please help confirm, thank you very much</p>

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