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    <title>Mojang Studios Jira</title>
    <link>https://bugs.mojang.com</link>
    <description>This file is an XML representation of an issue</description>
    <language>en</language>    <build-info>
        <version>9.12.2</version>
        <build-number>9120002</build-number>
        <build-date>10-01-2024</build-date>
    </build-info>


<item>
            <title>[BDS-10212] Entity not detected in first tick, duplicate entity with same UUID possible</title>
                <link>https://bugs.mojang.com/browse/BDS-10212</link>
                <project id="11700" key="BDS">Bedrock Dedicated Server</project>
                    <description>&lt;p&gt;Having this command on a 1 tick cycle produces the expected result, except in the first tick when the game is loaded.&lt;/p&gt;
&lt;div class=&quot;code panel&quot; style=&quot;border-width: 1px;&quot;&gt;&lt;div class=&quot;codeContent panelContent&quot;&gt;
&lt;pre class=&quot;code-java&quot;&gt;
execute in overworld unless entity aec-0-0-0-1 positioned 0.0 0.0 0.0 run summon minecraft:area_effect_cloud ~ ~ ~ {Tags:[&lt;span class=&quot;code-quote&quot;&gt;&quot;helper_entity&quot;&lt;/span&gt;],Duration:-1,Age:-2147483648,WaitTime:-2147483648,UUID:[I;2796,0,0,1]}&lt;/pre&gt;
&lt;/div&gt;&lt;/div&gt;
&lt;p&gt;An entity with the same UUID can&apos;t be summoned as it produces an error:&#160;Unable to summon entity due to duplicate UUIDs, yet setting the above command to run every tick from a datapack creates two entities upon loading the world.&lt;/p&gt;

&lt;p&gt;Steps to reproduce:&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;Set above command to run every tick&lt;/li&gt;
	&lt;li&gt;Exit and reenter the world&lt;/li&gt;
	&lt;li&gt;Run
&lt;div class=&quot;code panel&quot; style=&quot;border-width: 1px;&quot;&gt;&lt;div class=&quot;codeContent panelContent&quot;&gt;
&lt;pre class=&quot;code-java&quot;&gt;
execute as @e[type=minecraft:area_effect_cloud] run data get entity @s UUID&lt;/pre&gt;
&lt;/div&gt;&lt;/div&gt;
&lt;p&gt;Resulting in two entities reporting/having the same UUID. Note: only one entity is selected when directly selecting by UUID&#160;aec-0-0-0-1.&lt;/p&gt;&lt;/li&gt;
&lt;/ol&gt;
</description>
                <environment>Java Edition 1.16.4, Ubuntu 20.04</environment>
        <key id="391255">BDS-10212</key>
            <summary>Entity not detected in first tick, duplicate entity with same UUID possible</summary>
                <type id="1" iconUrl="https://bugs.mojang.com/secure/viewavatar?size=xsmall&amp;avatarId=18903&amp;avatarType=issuetype">Bug</type>
                                    <status id="5" iconUrl="https://bugs.mojang.com/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="7">Invalid</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="Fefinix">Fefinix</reporter>
                        <labels>
                    </labels>
                <created>Sat, 28 Nov 2020 22:50:39 +0100</created>
                <updated>Sun, 6 Dec 2020 14:59:35 +0100</updated>
                            <resolved>Sun, 6 Dec 2020 14:59:35 +0100</resolved>
                                    <version>1.16.40</version>
                                                            <votes>0</votes>
                                    <watches>0</watches>
                                                                            <comments>
                            <comment id="857771" author="ocelotonesie" created="Sun, 6 Dec 2020 14:59:35 +0100"  >&lt;p&gt;&lt;b&gt;Thank you for your report!&lt;/b&gt;&lt;br/&gt;
However, this issue is &lt;font color=&quot;#FF5722&quot;&gt;&lt;b&gt;Invalid&lt;/b&gt;&lt;/font&gt;.&lt;/p&gt;

&lt;p&gt;This is related to a different project. Use one of the links below to go to the correct project.&lt;br/&gt;
&amp;#8211; &lt;a href=&quot;https://bugs.mojang.com/browse/MC&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;Minecraft: Java Edition&lt;/a&gt; &amp;#8212; Windows, Mac, and Linux&lt;br/&gt;
&amp;#8211; &lt;a href=&quot;https://bugs.mojang.com/browse/MCL&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;Minecraft Launcher&lt;/a&gt; &amp;#8212; Bugs about the Minecraft Launcher specifically&lt;br/&gt;
&amp;#8211; &lt;a href=&quot;https://bugs.mojang.com/browse/MCPE&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;Minecraft: Bedrock Edition&lt;/a&gt; &amp;#8212; Gear VR, iOS, Android, Windows 10 (from the Windows store), Xbox One, Windows 10 Mobile, Fire TV, Nintendo Switch, and PS4&lt;br/&gt;
&amp;#8211; &lt;a href=&quot;https://bugs.mojang.com/browse/MCE&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;Minecraft Earth&lt;/a&gt; &amp;#8212; AR Compatible Devices&lt;br/&gt;
&amp;#8211; &lt;a href=&quot;https://bugs.mojang.com/browse/MCD&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;Minecraft Dungeons&lt;/a&gt; &amp;#8212; Action-adventure title set in the Minecraft universe&lt;/p&gt;

&lt;p&gt;Please don&apos;t forget to search for an existing issue matching yours in the appropriate project before raising a new one.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Quick Links&lt;/b&gt;:&lt;br/&gt;
&#128211; &lt;a href=&quot;https://help.minecraft.net/hc/en-us/articles/360049840492-Mojang-Bug-Tracker-Guidelines&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Bug Tracker Guidelines&lt;/a&gt; &amp;#8211; &#128172; &lt;a href=&quot;https://discord.gg/58Sxm23&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Community Support&lt;/a&gt; &amp;#8211; &#128231; &lt;a href=&quot;https://help.minecraft.net/hc/en-us/requests/new&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Mojang Support&lt;/a&gt;&lt;br/&gt;
&#128211; &lt;a href=&quot;https://bugs.mojang.com/projects/MCPE/summary&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;Project Summary&lt;/a&gt; &amp;#8211; &#9997;&#65039; &lt;a href=&quot;https://feedback.minecraft.net/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Feedback and Suggestions&lt;/a&gt; &amp;#8211; &#128214; &lt;a href=&quot;https://minecraft.gamepedia.com/Minecraft_Wiki&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Game Wiki&lt;/a&gt;&lt;/p&gt;</comment>
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