include('/homepages/32/d975702501/htdocs/drupal9/core/includes/bootstrap.inc') (Line: 571)
Composer\Autoload\includeFile('/homepages/32/d975702501/htdocs/drupal9/vendor/composer/../../core/lib/Drupal/Core/Database/StatementWrapper.php') (Line: 428)
Composer\Autoload\ClassLoader->loadClass('Drupal\Core\Database\StatementWrapper') (Line: 628)
Drupal\Core\Database\Connection->prepareStatement('SELECT "cid", "data", "created", "expire", "serialized", "tags", "checksum" FROM "cache_container" WHERE "cid" IN ( :cids__0 ) ORDER BY "cid"', Array) (Line: 932)
Drupal\Core\Database\Connection->query('SELECT [cid], [data], [created], [expire], [serialized], [tags], [checksum] FROM {cache_container} WHERE [cid] IN ( :cids__0 ) ORDER BY [cid]', Array) (Line: 113)
Drupal\Core\Cache\DatabaseBackend->getMultiple(Array, ) (Line: 92)
Drupal\Core\Cache\DatabaseBackend->get('service_container:prod:9.4.3::Linux:a:1:{i:0;s:66:"/homepages/32/d975702501/htdocs/drupal9/sites/default/services.yml";}') (Line: 550)
Drupal\Core\DrupalKernel->getCachedContainerDefinition() (Line: 895)
Drupal\Core\DrupalKernel->initializeContainer() (Line: 472)
Drupal\Core\DrupalKernel->boot() (Line: 708)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
Deprecated function: Drupal\Core\Database\StatementWrapper::fetchObject(): Implicitly marking parameter $constructor_arguments as nullable is deprecated, the explicit nullable type must be used instead in include() (line 571 of /homepages/32/d975702501/htdocs/drupal9/vendor/composer/ClassLoader.php). include('/homepages/32/d975702501/htdocs/drupal9/core/includes/bootstrap.inc') (Line: 571)
Composer\Autoload\includeFile('/homepages/32/d975702501/htdocs/drupal9/vendor/composer/../../core/lib/Drupal/Core/Database/StatementWrapper.php') (Line: 428)
Composer\Autoload\ClassLoader->loadClass('Drupal\Core\Database\StatementWrapper') (Line: 628)
Drupal\Core\Database\Connection->prepareStatement('SELECT "cid", "data", "created", "expire", "serialized", "tags", "checksum" FROM "cache_container" WHERE "cid" IN ( :cids__0 ) ORDER BY "cid"', Array) (Line: 932)
Drupal\Core\Database\Connection->query('SELECT [cid], [data], [created], [expire], [serialized], [tags], [checksum] FROM {cache_container} WHERE [cid] IN ( :cids__0 ) ORDER BY [cid]', Array) (Line: 113)
Drupal\Core\Cache\DatabaseBackend->getMultiple(Array, ) (Line: 92)
Drupal\Core\Cache\DatabaseBackend->get('service_container:prod:9.4.3::Linux:a:1:{i:0;s:66:"/homepages/32/d975702501/htdocs/drupal9/sites/default/services.yml";}') (Line: 550)
Drupal\Core\DrupalKernel->getCachedContainerDefinition() (Line: 895)
Drupal\Core\DrupalKernel->initializeContainer() (Line: 472)
Drupal\Core\DrupalKernel->boot() (Line: 708)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
Deprecated function: Creation of dynamic property Drupal\Core\DrupalKernel::$_serviceId is deprecated in Drupal\Core\DependencyInjection\Container->set() (line 20 of /homepages/32/d975702501/htdocs/drupal9/core/lib/Drupal/Core/DependencyInjection/Container.php). Drupal\Core\DependencyInjection\Container->set('kernel', Object) (Line: 1192)
Drupal\Core\DrupalKernel->attachSynthetic(Object) (Line: 925)
Drupal\Core\DrupalKernel->initializeContainer() (Line: 472)
Drupal\Core\DrupalKernel->boot() (Line: 708)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
Deprecated function: Creation of dynamic property Composer\Autoload\ClassLoader::$_serviceId is deprecated in Drupal\Core\DependencyInjection\Container->set() (line 20 of /homepages/32/d975702501/htdocs/drupal9/core/lib/Drupal/Core/DependencyInjection/Container.php). Drupal\Core\DependencyInjection\Container->set('class_loader', Object) (Line: 1195)
Drupal\Core\DrupalKernel->attachSynthetic(Object) (Line: 925)
Drupal\Core\DrupalKernel->initializeContainer() (Line: 472)
Drupal\Core\DrupalKernel->boot() (Line: 708)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
Deprecated function: Creation of dynamic property Drupal\Core\Http\RequestStack::$_serviceId is deprecated in Drupal\Component\DependencyInjection\Container->createService() (line 288 of /homepages/32/d975702501/htdocs/drupal9/core/lib/Drupal/Component/DependencyInjection/Container.php). Drupal\Component\DependencyInjection\Container->createService(Array, 'request_stack') (Line: 176)
Drupal\Component\DependencyInjection\Container->get('request_stack', 2) (Line: 934)
Drupal\Core\DrupalKernel->initializeContainer() (Line: 472)
Drupal\Core\DrupalKernel->boot() (Line: 708)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
March 2011, PDA was invited to present a paper on unmetered energy issues to APSE. The paper focussed on the potential monetary savings from Half Hourly trading and followed up the pending move of most large Scottish authorities over to Half Hourly in April 2011. This was the first time PDA had presented to the Scottish region of APSE. To find out more