<p></p>
<blockquote>
<blockquote>
<p dir="auto">Another report: <a href="https://www.openstreetmap.org/user/Kanoxitu_zh/diary/403741" rel="nofollow">https://www.openstreetmap.org/user/Kanoxitu_zh/diary/403741</a></p>
</blockquote>
<p dir="auto">It would be good to have a bit more details. The user mentioned that they had to switch to another browser, otherwise the report lacks quite some details.</p>
<p dir="auto">Maybe <a class="user-mention notranslate" data-hovercard-type="user" data-hovercard-url="/users/LaoshuBaby/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/LaoshuBaby">@LaoshuBaby</a> could help us a bit with communication, so we would at least be able to find out which browser the user is using, and other things which could help us reproducing the issue. Many thanks in advance.</p>
</blockquote>
<p dir="auto">This happens in a couple of old browsers I have around - both Safari 14 and Firefox 78 - while not logged in. A handful of not very illuminating JS errors in the console:</p>
<blockquote>
<p dir="auto">[Error] SyntaxError: The string did not match the expected pattern.<br>
matches (vendors-node_modules_github_file-attachment-element_dist_index_js-node_modules_primer_view-co-3959a9-134c7fee9431.js:1:19860)<br>
[...]<br>
[Error] Unhandled Promise Rejection: TypeError: this.parseInputValue().at is not a function. (In 'this.parseInputValue().at(-1)', 'this.parseInputValue().at' is undefined)</p>
</blockquote>
<p dir="auto">Logging in fixes it.</p>

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