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<h1>Additional uncaught exception thrown while handling exception.</h1><h2>Original</h2><p><em class="placeholder">Drupal\Component\Plugin\Exception\PluginNotFoundException</em>: The &quot;test&quot; plugin does not exist. Valid plugin IDs for Drupal\entityqueue\EntityQueueHandlerManager are: multiple, simple in <em class="placeholder">Drupal\Core\Plugin\DefaultPluginManager-&gt;doGetDefinition()</em> (line <em class="placeholder">53</em> of <em class="placeholder">/var/www/cascade/production/ftcshared/htdocs-2025-03-05_23:20:56-1741216855046/web/core/lib/Drupal/Component/Plugin/Discovery/DiscoveryTrait.php</em>). <pre class="backtrace">Drupal\Core\Plugin\DefaultPluginManager-&gt;doGetDefinition() (Line: 25) Drupal\Core\Plugin\DefaultPluginManager-&gt;getDefinition() (Line: 16) Drupal\Core\Plugin\Factory\ContainerFactory-&gt;createInstance() (Line: 83) Drupal\Component\Plugin\PluginManagerBase-&gt;createInstance() (Line: 62) Drupal\Core\Plugin\DefaultSingleLazyPluginCollection-&gt;initializePlugin() (Line: 51) Drupal\entityqueue\EntityQueueHandlerPluginCollection-&gt;initializePlugin() (Line: 80) Drupal\Component\Plugin\LazyPluginCollection-&gt;get() (Line: 44) Drupal\entityqueue\EntityQueueHandlerPluginCollection-&gt;get() (Line: 88) Drupal\Core\Plugin\DefaultSingleLazyPluginCollection-&gt;setConfiguration() (Line: 104) Drupal\Core\Plugin\DefaultSingleLazyPluginCollection-&gt;addInstanceId() (Line: 55) Drupal\Core\Plugin\DefaultSingleLazyPluginCollection-&gt;__construct() (Line: 35) Drupal\entityqueue\EntityQueueHandlerPluginCollection-&gt;__construct() (Line: 224) Drupal\entityqueue\Entity\EntityQueue-&gt;getPluginCollection() (Line: 196) Drupal\entityqueue\Entity\EntityQueue-&gt;getHandlerPlugin() (Line: 291) Drupal\entityqueue\Entity\EntityQueue::postLoad() (Line: 389) Drupal\Core\Entity\EntityStorageBase-&gt;postLoad() (Line: 319) Drupal\Core\Entity\EntityStorageBase-&gt;loadMultiple() (Line: 99) Drupal\Core\Entity\EntityTypeBundleInfo-&gt;getAllBundleInfo() (Line: 80) Drupal\Core\Entity\EntityTypeBundleInfo-&gt;getBundleInfo() (Line: 65) Drupal\content_moderation\ModerationInformation-&gt;isModeratedEntityType() (Line: 55) Drupal\content_moderation\ViewsData-&gt;Drupal\content_moderation\{closure}() array_filter() (Line: 56) Drupal\content_moderation\ViewsData-&gt;getViewsData() (Line: 16) content_moderation_views_data() (Line: 228) Drupal\views\ViewsData-&gt;Drupal\views\{closure}() (Line: 395) Drupal\Core\Extension\ModuleHandler-&gt;invokeAllWith() (Line: 236) Drupal\views\ViewsData-&gt;getData() (Line: 151) Drupal\views\ViewsData-&gt;get() (Line: 94) Drupal\views\Plugin\Derivative\ViewsEntityRow-&gt;getDerivativeDefinitions() (Line: 101) Drupal\Component\Plugin\Discovery\DerivativeDiscoveryDecorator-&gt;getDerivatives() (Line: 87) Drupal\Component\Plugin\Discovery\DerivativeDiscoveryDecorator-&gt;getDefinitions() (Line: 337) Drupal\Core\Plugin\DefaultPluginManager-&gt;findDefinitions() (Line: 213) Drupal\Core\Plugin\DefaultPluginManager-&gt;getDefinitions() (Line: 153) views_theme() (Line: 507) Drupal\Core\Theme\Registry-&gt;processExtension() (Line: 400) Drupal\Core\Theme\Registry-&gt;Drupal\Core\Theme\{closure}() (Line: 395) Drupal\Core\Extension\ModuleHandler-&gt;invokeAllWith() (Line: 401) Drupal\Core\Theme\Registry-&gt;build() (Line: 281) Drupal\Core\Theme\Registry-&gt;get() (Line: 88) Drupal\Core\Utility\ThemeRegistry-&gt;initializeRegistry() (Line: 69) Drupal\Core\Utility\ThemeRegistry-&gt;__construct() (Line: 319) Drupal\Core\Theme\Registry-&gt;getRuntime() (Line: 141) Drupal\Core\Theme\ThemeManager-&gt;render() (Line: 491) Drupal\Core\Render\Renderer-&gt;doRender() (Line: 248) Drupal\Core\Render\Renderer-&gt;render() (Line: 153) Drupal\Core\Render\Renderer-&gt;Drupal\Core\Render\{closure}() (Line: 638) Drupal\Core\Render\Renderer-&gt;executeInRenderContext() (Line: 154) Drupal\Core\Render\Renderer-&gt;renderRoot() (Line: 66) Drupal\Core\Render\BareHtmlPageRenderer-&gt;renderBarePage() (Line: 76) Drupal\Core\ProxyClass\Render\BareHtmlPageRenderer-&gt;renderBarePage() (Line: 1085) install_display_output() (Line: 160) install_drupal() (Line: 48) </pre></p><h2>Additional</h2><p><em class="placeholder">Drupal\Component\Plugin\Exception\PluginNotFoundException</em>: The &quot;search_api_db&quot; plugin does not exist. Valid plugin IDs for Drupal\search_api\Backend\BackendPluginManager are: search_api_solr in <em class="placeholder">Drupal\Core\Plugin\DefaultPluginManager-&gt;doGetDefinition()</em> (line <em class="placeholder">53</em> of <em class="placeholder">/var/www/cascade/production/ftcshared/htdocs-2025-03-05_23:20:56-1741216855046/web/core/lib/Drupal/Component/Plugin/Discovery/DiscoveryTrait.php</em>). <pre class="backtrace">Drupal\Core\Plugin\DefaultPluginManager-&gt;doGetDefinition() (Line: 25) Drupal\Core\Plugin\DefaultPluginManager-&gt;getDefinition() (Line: 16) Drupal\Core\Plugin\Factory\ContainerFactory-&gt;createInstance() (Line: 83) Drupal\Component\Plugin\PluginManagerBase-&gt;createInstance() (Line: 149) Drupal\search_api\Entity\Server-&gt;getBackend() (Line: 80) Drupal\search_api_solr\Plugin\DataType\Deriver\SolrDocumentDeriver-&gt;getDerivativeDefinitions() (Line: 101) Drupal\Component\Plugin\Discovery\DerivativeDiscoveryDecorator-&gt;getDerivatives() (Line: 87) Drupal\Component\Plugin\Discovery\DerivativeDiscoveryDecorator-&gt;getDefinitions() (Line: 337) Drupal\Core\Plugin\DefaultPluginManager-&gt;findDefinitions() (Line: 213) Drupal\Core\Plugin\DefaultPluginManager-&gt;getDefinitions() (Line: 22) Drupal\Core\Plugin\DefaultPluginManager-&gt;getDefinition() (Line: 195) Drupal\Core\TypedData\DataDefinition-&gt;getClass() (Line: 606) Drupal\Core\Field\BaseFieldDefinition-&gt;getMainPropertyName() (Line: 106) Drupal\Core\Entity\Query\Sql\Tables-&gt;addField() (Line: 58) Drupal\Core\Entity\Query\Sql\Condition-&gt;compile() (Line: 177) Drupal\Core\Entity\Query\Sql\Query-&gt;compile() (Line: 82) Drupal\Core\Entity\Query\Sql\Query-&gt;execute() (Line: 607) Drupal\Core\Entity\EntityStorageBase-&gt;loadByProperties() (Line: 75) Drupal\domain_path\DomainPathAliasManager-&gt;getAliasByPath() (Line: 168) Drupal\system\Plugin\Condition\RequestPath-&gt;evaluate() (Line: 56) Drupal\context\Plugin\Condition\RequestPathExclusion-&gt;evaluate() (Line: 76) Drupal\Core\Condition\ConditionManager-&gt;execute() (Line: 85) Drupal\Core\Condition\ConditionPluginBase-&gt;execute() (Line: 26) Drupal\context\ContextManager-&gt;resolveConditions() (Line: 351) Drupal\context\ContextManager-&gt;evaluateContextConditions() (Line: 253) Drupal\context\ContextManager-&gt;evaluateContexts() (Line: 241) Drupal\context\ContextManager-&gt;getActiveContexts() (Line: 273) Drupal\context\ContextManager-&gt;getActiveReactions() (Line: 51) context_preprocess_html() call_user_func_array() (Line: 261) Drupal\Core\Theme\ThemeManager-&gt;render() (Line: 491) Drupal\Core\Render\Renderer-&gt;doRender() (Line: 248) Drupal\Core\Render\Renderer-&gt;render() (Line: 153) Drupal\Core\Render\Renderer-&gt;Drupal\Core\Render\{closure}() (Line: 638) Drupal\Core\Render\Renderer-&gt;executeInRenderContext() (Line: 154) Drupal\Core\Render\Renderer-&gt;renderRoot() (Line: 66) Drupal\Core\Render\BareHtmlPageRenderer-&gt;renderBarePage() (Line: 76) Drupal\Core\ProxyClass\Render\BareHtmlPageRenderer-&gt;renderBarePage() (Line: 1085) install_display_output() (Line: 271) _drupal_log_error() (Line: 184) _drupal_exception_handler() </pre></p><hr />