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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[DOCS-15592] [Server] Error in $lastN (aggregation accumulator)</title>
                <link>https://jira.mongodb.org/browse/DOCS-15592</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;p&gt;Hi,&lt;/p&gt;

&lt;p&gt;I found this error when investigating a ticket reported by a customer: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-69239&quot; title=&quot;$lastN ordering issue&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-69239&quot;&gt;&lt;del&gt;SERVER-69239&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;In the &lt;a href=&quot;https://www.mongodb.com/docs/manual/reference/operator/aggregation/lastN/#computing-n-based-on-the-group-key-for&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;document&lt;/a&gt;, the result of &lt;em&gt;Computing n Based on the Group Key for $group&lt;/em&gt; (without using $sort in descending order)&lt;/p&gt;
&lt;p/&gt;
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&lt;p/&gt;
&lt;p&gt;should be corrected to:&lt;/p&gt;
&lt;p/&gt;
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&lt;p/&gt;
&lt;p&gt;I attached a screen shoot to help locate it in the document.&#160; Please let me know if you have any questions.&lt;/p&gt;

&lt;p&gt;Thank you.&lt;/p&gt;

&lt;p&gt;Regards,&lt;/p&gt;

&lt;p&gt;Yuan&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="2125898">DOCS-15592</key>
            <summary>[Server] Error in $lastN (aggregation accumulator)</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="12300">Won&apos;t Do</resolution>
                                        <assignee username="lauren.tran@mongodb.com">Lauren Tran</assignee>
                                    <reporter username="yuan.fang@mongodb.com">Yuan Fang</reporter>
                        <labels>
                            <label>typo</label>
                    </labels>
                <created>Tue, 30 Aug 2022 17:36:43 +0000</created>
                <updated>Mon, 30 Oct 2023 19:50:20 +0000</updated>
                            <resolved>Thu, 12 Oct 2023 20:07:08 +0000</resolved>
                                    <version>5.2.0</version>
                                    <fixVersion>Server_Docs_20231030</fixVersion>
                                    <component>Server</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="5774773" author="JIRAUSER1269489" created="Thu, 12 Oct 2023 20:07:08 +0000"  >&lt;p&gt;Closing ticket because changes were already implemented&lt;/p&gt;</comment>
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            <issuekey id="2125299">SERVER-69239</issuekey>
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