Notice: Array to string conversion in Drupal\bootstrap\Plugin\Preprocess\BootstrapPanel->preprocessVariables() (line 105 of themes/bootstrap/src/Plugin/Preprocess/BootstrapPanel.php).
Notice: Array to string conversion in Drupal\bootstrap\Plugin\Preprocess\PreprocessBase->preprocessDescription() (line 86 of themes/bootstrap/src/Plugin/Preprocess/PreprocessBase.php).
Notice: Array to string conversion in Drupal\bootstrap\Plugin\Preprocess\PreprocessBase->preprocessDescription() (line 87 of themes/bootstrap/src/Plugin/Preprocess/PreprocessBase.php).