Error message

• Notice: Undefined variable: current_path in include_once() (line 48 of themes/solid/solid.theme).

  include_once('/home/solidmed2.businessmed-umce.org/public_html/web/themes/solid/solid.theme') (Line: 147)
  Drupal\Core\Extension\Extension->load() (Line: 35)
  twig_init(Object)
  call_user_func('twig_init', Object) (Line: 146)
  Drupal\Core\Theme\ThemeInitialization->loadActiveTheme(Object) (Line: 74)
  Drupal\Core\Theme\ThemeInitialization->initTheme('solid') (Line: 406)
  Drupal\Core\Theme\ThemeManager->initTheme(Object) (Line: 96)
  Drupal\Core\Theme\ThemeManager->getActiveTheme() (Line: 680)
  Drupal\bootstrap\Bootstrap::getTheme() (Line: 1249)
  Drupal\bootstrap\Bootstrap::initialize() (Line: 31)
  include_once('/home/solidmed2.businessmed-umce.org/public_html/web/themes/bootstrap/bootstrap.theme') (Line: 147)
  Drupal\Core\Extension\Extension->load() (Line: 35)
  twig_init(Object)
  call_user_func('twig_init', Object) (Line: 144)
  Drupal\Core\Theme\ThemeInitialization->loadActiveTheme(Object) (Line: 74)
  Drupal\Core\Theme\ThemeInitialization->initTheme('solid') (Line: 406)
  Drupal\Core\Theme\ThemeManager->initTheme(Object) (Line: 96)
  Drupal\Core\Theme\ThemeManager->getActiveTheme() (Line: 214)
  Drupal\Core\Theme\Registry->init(NULL) (Line: 258)
  Drupal\Core\Theme\Registry->getRuntime() (Line: 205)
  Drupal\Core\Entity\EntityViewBuilder->getBuildDefaults(Object, 'full') (Line: 61)
  Drupal\node\NodeViewBuilder->getBuildDefaults(Object, 'full') (Line: 168)
  Drupal\Core\Entity\EntityViewBuilder->viewMultiple(Array, 'full', NULL) (Line: 134)
  Drupal\Core\Entity\EntityViewBuilder->view(Object, 'full') (Line: 105)
  Drupal\Core\Entity\Controller\EntityViewController->view(Object, 'full', NULL) (Line: 71)
  Drupal\node\Controller\NodeViewController->view(Object, 'full', NULL)
  call_user_func_array(Array, Array) (Line: 123)
  Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 573)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 124)
  Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array) (Line: 97)
  Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() (Line: 151)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 68)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 57)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 47)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 191)
  Drupal\page_cache\StackMiddleware\PageCache->fetch(Object, 1, 1) (Line: 128)
  Drupal\page_cache\StackMiddleware\PageCache->lookup(Object, 1, 1) (Line: 82)
  Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 47)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 52)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 708)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
  

• Notice: Undefined offset: 1 in solid_preprocess_html() (line 46 of themes/solid/solid.theme).

  solid_preprocess_html(Array, 'html', Array) (Line: 287)
  Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 431)
  Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 200)
  Drupal\Core\Render\Renderer->render(Array) (Line: 147)
  Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 573)
  Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 148)
  Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
  Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
  call_user_func(Array, Object, 'kernel.view', Object) (Line: 111)
  Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch('kernel.view', Object) (Line: 156)
  Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 68)
  Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 57)
  Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 47)
  Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 191)
  Drupal\page_cache\StackMiddleware\PageCache->fetch(Object, 1, 1) (Line: 128)
  Drupal\page_cache\StackMiddleware\PageCache->lookup(Object, 1, 1) (Line: 82)
  Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 47)
  Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 52)
  Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 23)
  Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 708)
  Drupal\Core\DrupalKernel->handle(Object) (Line: 19)