Undefined Index in menu_block_theme_suggestions_block() and MenuBlock->build()
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #2759019. -->
Reported by: [ellioseven](https://www.drupal.org/user/2926561)
>>>
<p>I am getting the following on a fresh install of menu_block:</p>
<div class="codeblock">
<pre><span style="color: #000000"><span style="color: #0000BB"><?php<br>Notice</span><span style="color: #007700">: </span><span style="color: #0000BB">Undefined index</span><span style="color: #007700">: </span><span style="color: #0000BB">region in Drupal</span><span style="color: #007700">\</span><span style="color: #0000BB">menu_block</span><span style="color: #007700">\</span><span style="color: #0000BB">Plugin</span><span style="color: #007700">\</span><span style="color: #0000BB">Block</span><span style="color: #007700">\</span><span style="color: #0000BB">MenuBlock</span><span style="color: #007700">-></span><span style="color: #0000BB">build</span><span style="color: #007700">() (</span><span style="color: #0000BB">line 152 of modules</span><span style="color: #007700">/</span><span style="color: #0000BB">contrib</span><span style="color: #007700">/</span><span style="color: #0000BB">menu_block</span><span style="color: #007700">/</span><span style="color: #0000BB">src</span><span style="color: #007700">/</span><span style="color: #0000BB">Plugin</span><span style="color: #007700">/</span><span style="color: #0000BB">Block</span><span style="color: #007700">/</span><span style="color: #0000BB">MenuBlock</span><span style="color: #007700">.</span><span style="color: #0000BB">php</span><span style="color: #007700">).<br></span><span style="color: #0000BB">Notice</span><span style="color: #007700">: </span><span style="color: #0000BB">Undefined index</span><span style="color: #007700">: </span><span style="color: #0000BB">uuid in Drupal</span><span style="color: #007700">\</span><span style="color: #0000BB">menu_block</span><span style="color: #007700">\</span><span style="color: #0000BB">Plugin</span><span style="color: #007700">\</span><span style="color: #0000BB">Block</span><span style="color: #007700">\</span><span style="color: #0000BB">MenuBlock</span><span style="color: #007700">-></span><span style="color: #0000BB">build</span><span style="color: #007700">() (</span><span style="color: #0000BB">line 153 of modules</span><span style="color: #007700">/</span><span style="color: #0000BB">contrib</span><span style="color: #007700">/</span><span style="color: #0000BB">menu_block</span><span style="color: #007700">/</span><span style="color: #0000BB">src</span><span style="color: #007700">/</span><span style="color: #0000BB">Plugin</span><span style="color: #007700">/</span><span style="color: #0000BB">Block</span><span style="color: #007700">/</span><span style="color: #0000BB">MenuBlock</span><span style="color: #007700">.</span><span style="color: #0000BB">php</span><span style="color: #007700">).<br></span><span style="color: #0000BB">Notice</span><span style="color: #007700">: </span><span style="color: #0000BB">Undefined index</span><span style="color: #007700">: </span><span style="color: #0000BB">region in menu_block_theme_suggestions_block</span><span style="color: #007700">() (</span><span style="color: #0000BB">line 15 of modules</span><span style="color: #007700">/</span><span style="color: #0000BB">contrib</span><span style="color: #007700">/</span><span style="color: #0000BB">menu_block</span><span style="color: #007700">/</span><span style="color: #0000BB">menu_block</span><span style="color: #007700">.</span><span style="color: #0000BB">module</span><span style="color: #007700">).<br></span><span style="color: #0000BB">Notice</span><span style="color: #007700">: </span><span style="color: #0000BB">Undefined index</span><span style="color: #007700">: </span><span style="color: #0000BB">uuid in menu_block_theme_suggestions_block</span><span style="color: #007700">() (</span><span style="color: #0000BB">line 16 of modules</span><span style="color: #007700">/</span><span style="color: #0000BB">contrib</span><span style="color: #007700">/</span><span style="color: #0000BB">menu_block</span><span style="color: #007700">/</span><span style="color: #0000BB">menu_block</span><span style="color: #007700">.</span><span style="color: #0000BB">module</span><span style="color: #007700">).<br></span><span style="color: #0000BB">?></span></span></pre></div>
<p>Is anyone else getting the same issue? Seems like the 'region' and 'uuid' array key is not available in the <code>$variables['elements']['#configuration']</code> array?</p>
issue