PHP Exception when Url::setAbsolute() is set to true

"PHP message: PHP Fatal error:  Uncaught InvalidArgumentException: Source path http://project_name.local/en/yamlform/testiform?token=gnxrkcm_wnpq8axfbulfyr-9tci2ccv0ugjw%3fxdebug_session_start%3d1 has to start with a slash. in /vagrant/web/core/lib/Drupal/Core/Path/AliasManager.php:186
Stack trace:
#0 /vagrant/web/modules/contrib/ng_lightbox/src/NgLightbox.php(115): Drupal\Core\Path\AliasManager->getAliasByPath('http://project_name...')
#1 /vagrant/web/modules/contrib/ng_lightbox/ng_lightbox.module(14): Drupal\ng_lightbox\NgLightbox->isNgLightboxEnabledPath(Object(Drupal\Core\Url))
#2 /vagrant/web/core/lib/Drupal/Core/Extension/ModuleHandler.php(501): ng_lightbox_link_alter(Array, NULL, NULL)
#3 /vagrant/web/core/lib/Drupal/Core/Utility/LinkGenerator.php(142): Drupal\Core\Extension\ModuleHandler->alter('link', Array)
#4 /vagrant/web/core/lib/Drupal/Core/Render/Element/Link.php(94): Drupal\Core\Utility\LinkGenerator->generate(Object(Drupal\Core\StringTranslation\TranslatableMarkup), Object(Drupal\Core\Url...
PHP message: PHP Stack trace:
PHP message: PHP   1. {main}() /vagrant/web/index.php:0
PHP message: PHP   2. Drupal\Core\DrupalKernel->handle($request = *uninitialized*, $type = *uninitialized*, $catch = *uninitialized*) /vagrant/web/index.php:19
PHP message: PHP   3. Stack\StackedHttpKernel->handle($request = *uninitialized*, $type = *uninitialized*, $catch = *uninitialized*) /vagrant/web/core/lib/Drupal/Core/DrupalKernel.php:628
PHP message: PHP   4. Drupal\Core\StackMiddleware\NegotiationMiddleware->handle($request = *uninitialized*, $type = *uninitialized*, $catch = *uninitialized*) /vagrant/web/vendor/stack/builder/src/Stack/StackedHttpKernel.php:23
PHP message: PHP   5. Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle($request = *uninitialized*, $type = *uninitialized*, $catch = *uninitialized*) /vagrant/web/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php:50
PHP message: PHP   6. Drupal\page_cache\StackMiddleware
2016/08/29 14:13:49 [error] 465#465: *102 FastCGI sent in stderr: "tch = *uninitialized*) /vagrant/web/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php:117
PHP message: PHP  16. Drupal\Core\Render\Renderer->executeInRenderContext($context = *uninitialized*, $callable = *uninitialized*) /vagrant/web/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php:227
PHP message: PHP  17. Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() /vagrant/web/core/lib/Drupal/Core/Render/Renderer.php:574
PHP message: PHP  18. Drupal\Core\Render\Renderer->render($elements = *uninitialized*, $is_root_call = *uninitialized*) /vagrant/web/core/lib/Drupal/Core/Render/MainContent/HtmlRenderer.php:226
PHP message: PHP  19. Drupal\Core\Render\Renderer->doRender($elements = *uninitialized*, $is_root_call = *uninitialized*) /vagrant/web/core/lib/Drupal/Core/Render/Renderer.php:195
PHP message: PHP  20. Drupal\Core\Render\Renderer->doRender($elements = *uninitialized*, $is_root_call = *uninitialized*) /vagrant/web/core/lib/Drupal/Core/Render/Renderer.php:448
PHP message: PHP  21. call_user_func:{/vagrant/web/core/lib/Drupal/Core/Render/Renderer.php:381}(*uninitialized*, *uninitialized*) /vagrant/web/core/lib/Drupal/Core/Render/Renderer.php:381
PHP message: PHP  22. Drupal\Core\Render\Element\Link::preRenderLink($element = *uninitialized*) /vagrant/web/core/lib/Drupal/Core/Render/Renderer.php:381
PHP message: PHP  23. Drupal\Core\Utility\LinkGenerator->generate($text = *uninitialized*, $url = *uninitialized*) /vagrant/web/core/lib/Drupal/Core/Render/Element/Link.php:94
PHP message: PHP  24. Drupal\Core\Extension\ModuleHandler->alter($type = *uninitialized*, $data = *uninitialized*, $context1 = *uninitialized*, $context2 = *uninitialized*) /vagrant/web/core/lib/Drupal/Core/Utility/LinkGenerator.php:142
PHP message: PHP  25. ng_lightbox_link_alter($vars = *uninitialized*, *uninitialized*, *uninitialized*) /vagrant/web/core/lib/Drupal/Core/Extension/ModuleHandler.php:501
PHP message: PHP  26. Drupal\