TypeError: Argument 1 passed to NestedArray::unsetValue() must be of the type array, null given
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3117135. -->
Reported by: [mpp](https://www.drupal.org/user/359881)
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>After running drush cex with <a href="https://www.drupal.org/project/config_ignore/issues/3099674#38">https://www.drupal.org/project/config_ignore/issues/3099674#38</a> I get this error:</p>
<pre>$ drush cex -y<br> [error] TypeError: Argument 1 passed to Drupal\Component\Utility\NestedArray::unsetValue() must be of the type array, null given, called in /web/modules/contrib/config_ignore/src/EventSubscriber/ConfigIgnoreEventSubscriber.php on line 150 in Drupal\Component\Utility\NestedArray::unsetValue() (line 219 of /web/core/lib/Drupal/Component/Utility/NestedArray.php) #0 /web/modules/contrib/config_ignore/src/EventSubscriber/ConfigIgnoreEventSubscriber.php(150): Drupal\Component\Utility\NestedArray::unsetValue(NULL, Array)<br>#1 /web/modules/contrib/config_ignore/src/EventSubscriber/ConfigIgnoreEventSubscriber.php(96): Drupal\config_ignore\EventSubscriber\ConfigIgnoreEventSubscriber->transformStorage(Object(Drupal\Core\Config\DatabaseStorage), Object(Drupal\config_filter\Config\FilteredStorage))<br>#2 [internal function]: Drupal\config_ignore\EventSubscriber\ConfigIgnoreEventSubscriber->onExportTransform(Object(Drupal\Core\Config\StorageTransformEvent), 'config.transfor...', Object(Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher))<br>#3 /web/core/lib/Drupal/Component/EventDispatcher/ContainerAwareEventDispatcher.php(111): call_user_func(Array, Object(Drupal\Core\Config\StorageTransformEvent), 'config.transfor...', Object(Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher))<br>#4 /web/core/lib/Drupal/Core/Config/ExportStorageManager.php(88): Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch('config.transfor...', Object(Drupal\Core\Config\StorageTransformEvent))<br>#5 /web/core/lib/Drupal/Core/Config/ManagedStorage.php(146): Drupal\Core\Config\ExportStorageManager->getStorage()<br>#6 /web/core/lib/Drupal/Core/Config/ManagedStorage.php(127): Drupal\Core\Config\ManagedStorage->getStorage()<br>#7 /web/core/lib/Drupal/Core/Config/CachedStorage.php(247): Drupal\Core\Config\ManagedStorage->getAllCollectionNames()<br>#8 /web/core/lib/Drupal/Core/Config/StorageComparer.php(451): Drupal\Core\Config\CachedStorage->getAllCollectionNames()<br>#9 /web/core/lib/Drupal/Core/Config/StorageComparer.php(198): Drupal\Core\Config\StorageComparer->getAllCollectionNames()<br>#10 /vendor/drush/drush/src/Drupal/Commands/config/ConfigExportCommands.php(135): Drupal\Core\Config\StorageComparer->createChangelist()<br>#11 /vendor/drush/drush/src/Drupal/Commands/config/ConfigExportCommands.php(115): Drush\Drupal\Commands\config\ConfigExportCommands->doExport(Array, '../config/sync')<br>#12 [internal function]: Drush\Drupal\Commands\config\ConfigExportCommands->export(NULL, Array)<br>#13 /vendor/consolidation/annotated-command/src/CommandProcessor.php(257): call_user_func_array(Array, Array)<br>#14 /vendor/consolidation/annotated-command/src/CommandProcessor.php(212): Consolidation\AnnotatedCommand\CommandProcessor->runCommandCallback(Array, Object(Consolidation\AnnotatedCommand\CommandData))<br>#15 /vendor/consolidation/annotated-command/src/CommandProcessor.php(178): Consolidation\AnnotatedCommand\CommandProcessor->validateRunAndAlter(Array, Array, Object(Consolidation\AnnotatedCommand\CommandData))<br>#16 /vendor/consolidation/annotated-command/src/AnnotatedCommand.php(302): Consolidation\AnnotatedCommand\CommandProcessor->process(Object(Symfony\Component\Console\Output\ConsoleOutput), Array, Array, Object(Consolidation\AnnotatedCommand\CommandData))<br>#17 /vendor/symfony/console/Command/Command.php(255): Consolidation\AnnotatedCommand\AnnotatedCommand->execute(Object(Drush\Symfony\DrushArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))<br>#18 /vendor/symfony/console/Application.php(1005): Symfony\Component\Console\Command\Command->run(Object(Drush\Symfony\DrushArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))<br>#19 /vendor/symfony/console/Application.php(255): Symfony\Component\Console\Application->doRunCommand(Object(Consolidation\AnnotatedCommand\AnnotatedCommand), Object(Drush\Symfony\DrushArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))<br>#20 /vendor/symfony/console/Application.php(148): Symfony\Component\Console\Application->doRun(Object(Drush\Symfony\DrushArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))<br>#21 /vendor/drush/drush/src/Runtime/Runtime.php(118): Symfony\Component\Console\Application->run(Object(Drush\Symfony\DrushArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))<br>#22 /vendor/drush/drush/src/Runtime/Runtime.php(49): Drush\Runtime\Runtime->doRun(Array, Object(Symfony\Component\Console\Output\ConsoleOutput))<br>#23 /vendor/drush/drush/drush.php(72): Drush\Runtime\Runtime->run(Array)<br>#24 /vendor/drush/drush/includes/preflight.inc(18): require('/Volumes/Webdev...')<br>#25 phar:///usr/local/bin/drush/bin/drush.php(141): drush_main()<br>#26 /usr/local/bin/drush(10): require('phar:///usr/loc...')<br>#27 {main}. <br>TypeError: Argument 1 passed to Drupal\Component\Utility\NestedArray::unsetValue() must be of the type array, null given, called in /web/modules/contrib/config_ignore/src/EventSubscriber/ConfigIgnoreEventSubscriber.php on line 150 in Drupal\Component\Utility\NestedArray::unsetValue() (line 219 of /web/core/lib/Drupal/Component/Utility/NestedArray.php).<br> [warning] Drush command terminated abnormally.</pre><p>Seems like there's a bug here, $import_data is undefined:</p>
<div class="codeblock">
<pre><span style="color: #000000"><span style="color: #0000BB"><?php<br>$source_data </span><span style="color: #007700">= </span><span style="color: #0000BB">$source_storage</span><span style="color: #007700">-></span><span style="color: #0000BB">read</span><span style="color: #007700">(</span><span style="color: #0000BB">$config_name</span><span style="color: #007700">);<br>foreach (</span><span style="color: #0000BB">$keys </span><span style="color: #007700">as </span><span style="color: #0000BB">$key</span><span style="color: #007700">) {<br> </span><span style="color: #0000BB">NestedArray</span><span style="color: #007700">::</span><span style="color: #0000BB">unsetValue</span><span style="color: #007700">(</span><span style="color: #0000BB">$import_data</span><span style="color: #007700">, </span><span style="color: #0000BB">$key</span><span style="color: #007700">);<br>}<br></span><span style="color: #0000BB">?></span></span></pre></div>
<h3 id="summary-proposed-resolution">Proposed resolution</h3>
<p>Fix the export.</p>
issue
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