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<oembed><type>rich</type><version>1.0</version><provider_name>phorkie</provider_name><provider_url>https://p.cweiske.de/</provider_url><title>TYPO3 v12: Storage for file tree's "folder is expanded" flags</title><author_name>Christian Weiske</author_name><cache_age>86400</cache_age><width>900</width><height>900</height><html>&lt;!-- embedding all files of https://p.cweiske.de/982 --&gt;
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&lt;p&gt;TYPO3 stores which folders are expanded, in the &lt;tt class="docutils literal"&gt;be_users.uc&lt;/tt&gt; column.&lt;/p&gt;
&lt;p&gt;If something broke because a really large folder was expanded, clear it with:&lt;/p&gt;
&lt;pre class="literal-block"&gt;
UPDATE be_users SET uc = NULL WHERE username = 'cweiske';
&lt;/pre&gt;
&lt;p&gt;Example of such a failure is that &lt;a href="#system-message-1"&gt;&lt;span class="problematic" id="problematic-1"&gt;``&lt;/span&gt;&lt;/a&gt;/typo3/ajax/filestorage/tree/fetchData?token=2342` does not return.&lt;/p&gt;
&lt;div class="system-message" id="system-message-1"&gt;
&lt;p class="system-message-title"&gt;System Message: WARNING/2 (&lt;tt class="docutils"&gt;&amp;lt;stdin&amp;gt;&lt;/tt&gt;, line 7); &lt;em&gt;&lt;a href="#problematic-1"&gt;backlink&lt;/a&gt;&lt;/em&gt;&lt;/p&gt;
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