Error message
Warning: Undefined array key 0 in Drupal\berlitz_custom\Plugin\Block\BannerBlock->build() (line 34 of modules/custom/berlitz_custom/src/Plugin/Block/BannerBlock.php).
Drupal\berlitz_custom\Plugin\Block\BannerBlock->build() (Line: 171) Drupal\block\BlockViewBuilder::preRender() call_user_func_array() (Line: 113) Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 886) Drupal\Core\Render\Renderer->doCallback() (Line: 431) Drupal\Core\Render\Renderer->doRender() (Line: 248) Drupal\Core\Render\Renderer->render() (Line: 165) Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 637) Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 164) Drupal\Core\Render\Renderer->renderInIsolation() (Line: 191) Drupal\Core\Render\Renderer->doRenderPlaceholder() (Line: 739) Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() Fiber->start() (Line: 747) Drupal\Core\Render\Renderer->replacePlaceholders() (Line: 607) Drupal\Core\Render\Renderer->doRender() (Line: 248) Drupal\Core\Render\Renderer->render() (Line: 153) Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 637) Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 152) Drupal\Core\Render\Renderer->renderRoot() (Line: 288) Drupal\Core\Render\HtmlResponseAttachmentsProcessor->renderPlaceholders() (Line: 74) Drupal\big_pipe\Render\BigPipeResponseAttachmentsProcessor->processAttachments() (Line: 45) Drupal\Core\EventSubscriber\HtmlResponseSubscriber->onRespond() call_user_func() (Line: 111) Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch() (Line: 214) Symfony\Component\HttpKernel\HttpKernel->filterResponse() (Line: 202) Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76) Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53) Drupal\Core\StackMiddleware\Session->handle() (Line: 48) Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28) Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32) Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 48) Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51) Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36) Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51) Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 741) Drupal\Core\DrupalKernel->handle() (Line: 19)
Warning: Trying to access array offset on null in Drupal\berlitz_custom\Plugin\Block\BannerBlock->build() (line 34 of modules/custom/berlitz_custom/src/Plugin/Block/BannerBlock.php).
Drupal\berlitz_custom\Plugin\Block\BannerBlock->build() (Line: 171) Drupal\block\BlockViewBuilder::preRender() call_user_func_array() (Line: 113) Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 886) Drupal\Core\Render\Renderer->doCallback() (Line: 431) Drupal\Core\Render\Renderer->doRender() (Line: 248) Drupal\Core\Render\Renderer->render() (Line: 165) Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 637) Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 164) Drupal\Core\Render\Renderer->renderInIsolation() (Line: 191) Drupal\Core\Render\Renderer->doRenderPlaceholder() (Line: 739) Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() Fiber->start() (Line: 747) Drupal\Core\Render\Renderer->replacePlaceholders() (Line: 607) Drupal\Core\Render\Renderer->doRender() (Line: 248) Drupal\Core\Render\Renderer->render() (Line: 153) Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 637) Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 152) Drupal\Core\Render\Renderer->renderRoot() (Line: 288) Drupal\Core\Render\HtmlResponseAttachmentsProcessor->renderPlaceholders() (Line: 74) Drupal\big_pipe\Render\BigPipeResponseAttachmentsProcessor->processAttachments() (Line: 45) Drupal\Core\EventSubscriber\HtmlResponseSubscriber->onRespond() call_user_func() (Line: 111) Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch() (Line: 214) Symfony\Component\HttpKernel\HttpKernel->filterResponse() (Line: 202) Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76) Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53) Drupal\Core\StackMiddleware\Session->handle() (Line: 48) Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28) Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32) Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 48) Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51) Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36) Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51) Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 741) Drupal\Core\DrupalKernel->handle() (Line: 19)
Warning: Undefined array key 0 in Drupal\berlitz_custom\Plugin\Block\BannerBlock->build() (line 35 of modules/custom/berlitz_custom/src/Plugin/Block/BannerBlock.php).
Drupal\berlitz_custom\Plugin\Block\BannerBlock->build() (Line: 171) Drupal\block\BlockViewBuilder::preRender() call_user_func_array() (Line: 113) Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 886) Drupal\Core\Render\Renderer->doCallback() (Line: 431) Drupal\Core\Render\Renderer->doRender() (Line: 248) Drupal\Core\Render\Renderer->render() (Line: 165) Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 637) Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 164) Drupal\Core\Render\Renderer->renderInIsolation() (Line: 191) Drupal\Core\Render\Renderer->doRenderPlaceholder() (Line: 739) Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() Fiber->start() (Line: 747) Drupal\Core\Render\Renderer->replacePlaceholders() (Line: 607) Drupal\Core\Render\Renderer->doRender() (Line: 248) Drupal\Core\Render\Renderer->render() (Line: 153) Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 637) Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 152) Drupal\Core\Render\Renderer->renderRoot() (Line: 288) Drupal\Core\Render\HtmlResponseAttachmentsProcessor->renderPlaceholders() (Line: 74) Drupal\big_pipe\Render\BigPipeResponseAttachmentsProcessor->processAttachments() (Line: 45) Drupal\Core\EventSubscriber\HtmlResponseSubscriber->onRespond() call_user_func() (Line: 111) Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch() (Line: 214) Symfony\Component\HttpKernel\HttpKernel->filterResponse() (Line: 202) Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76) Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53) Drupal\Core\StackMiddleware\Session->handle() (Line: 48) Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28) Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32) Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 48) Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51) Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36) Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51) Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 741) Drupal\Core\DrupalKernel->handle() (Line: 19)
Warning: Trying to access array offset on null in Drupal\berlitz_custom\Plugin\Block\BannerBlock->build() (line 35 of modules/custom/berlitz_custom/src/Plugin/Block/BannerBlock.php).
Drupal\berlitz_custom\Plugin\Block\BannerBlock->build() (Line: 171) Drupal\block\BlockViewBuilder::preRender() call_user_func_array() (Line: 113) Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 886) Drupal\Core\Render\Renderer->doCallback() (Line: 431) Drupal\Core\Render\Renderer->doRender() (Line: 248) Drupal\Core\Render\Renderer->render() (Line: 165) Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 637) Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 164) Drupal\Core\Render\Renderer->renderInIsolation() (Line: 191) Drupal\Core\Render\Renderer->doRenderPlaceholder() (Line: 739) Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() Fiber->start() (Line: 747) Drupal\Core\Render\Renderer->replacePlaceholders() (Line: 607) Drupal\Core\Render\Renderer->doRender() (Line: 248) Drupal\Core\Render\Renderer->render() (Line: 153) Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 637) Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 152) Drupal\Core\Render\Renderer->renderRoot() (Line: 288) Drupal\Core\Render\HtmlResponseAttachmentsProcessor->renderPlaceholders() (Line: 74) Drupal\big_pipe\Render\BigPipeResponseAttachmentsProcessor->processAttachments() (Line: 45) Drupal\Core\EventSubscriber\HtmlResponseSubscriber->onRespond() call_user_func() (Line: 111) Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch() (Line: 214) Symfony\Component\HttpKernel\HttpKernel->filterResponse() (Line: 202) Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76) Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53) Drupal\Core\StackMiddleware\Session->handle() (Line: 48) Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28) Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32) Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 48) Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51) Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36) Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51) Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 741) Drupal\Core\DrupalKernel->handle() (Line: 19)
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Öğrencilerimizin yorumları

Totally professional educational institution and the best in Ankara! I developed all my speaking, listening, reading and writing skills step by step and reached higher levels. Berlitz was a turning point to overcome my fear of language thanks to teachers' attitude and unique teaching method.
Cemre

Both the educational staff and the tutors were helpful, courteous, and result-oriented. I completely got what I expected from the course. I advanced my speaking, which was the most difficult fundamental skill for me to improve.
Furkan

Couldn’t wish for a better or more convenient way to get English lessons – I want to thank all the instructors I had during my daily lessons! I’m very grateful as they were able to give me a lot of confidence…
Gökşen

From the administration to the two teachers I worked with, I found great professionalism and quality. Thus, I had improved my knowledge from basic to a very good level
Umut
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