Error message

• Warning: Invalid argument supplied for foreach() in Drupal\shares\Plugin\Block\PopupSharesBlock->build() (line 98 of modules\contrib\shares-master\src\Plugin\Block\PopupSharesBlock.php).
• Warning: Invalid argument supplied for foreach() in Drupal\shares\Plugin\Block\PopupSharesBlock->build() (line 107 of modules\contrib\shares-master\src\Plugin\Block\PopupSharesBlock.php).
• Warning: Invalid argument supplied for foreach() in Drupal\shares\Plugin\Block\PopupSharesBlock->build() (line 113 of modules\contrib\shares-master\src\Plugin\Block\PopupSharesBlock.php).
• Notice: Undefined variable: end_date in Drupal\shares\Plugin\Block\PopupSharesBlock->build() (line 213 of modules\contrib\shares-master\src\Plugin\Block\PopupSharesBlock.php).
• Warning: Invalid argument supplied for foreach() in Drupal\shares\Plugin\Block\PopupSharesBlock->build() (line 98 of modules\contrib\shares-master\src\Plugin\Block\PopupSharesBlock.php).
• Warning: Invalid argument supplied for foreach() in Drupal\shares\Plugin\Block\PopupSharesBlock->build() (line 107 of modules\contrib\shares-master\src\Plugin\Block\PopupSharesBlock.php).
• Warning: Invalid argument supplied for foreach() in Drupal\shares\Plugin\Block\PopupSharesBlock->build() (line 113 of modules\contrib\shares-master\src\Plugin\Block\PopupSharesBlock.php).
• Notice: Undefined variable: end_date in Drupal\shares\Plugin\Block\PopupSharesBlock->build() (line 213 of modules\contrib\shares-master\src\Plugin\Block\PopupSharesBlock.php).
• Warning: Invalid argument supplied for foreach() in Drupal\shares\Plugin\Block\PopupSharesBlock->build() (line 98 of modules\contrib\shares-master\src\Plugin\Block\PopupSharesBlock.php).
• Warning: Invalid argument supplied for foreach() in Drupal\shares\Plugin\Block\PopupSharesBlock->build() (line 107 of modules\contrib\shares-master\src\Plugin\Block\PopupSharesBlock.php).
• Warning: Invalid argument supplied for foreach() in Drupal\shares\Plugin\Block\PopupSharesBlock->build() (line 113 of modules\contrib\shares-master\src\Plugin\Block\PopupSharesBlock.php).
• Notice: Undefined variable: end_date in Drupal\shares\Plugin\Block\PopupSharesBlock->build() (line 213 of modules\contrib\shares-master\src\Plugin\Block\PopupSharesBlock.php).
• Notice: Undefined offset: 0 in Drupal\shares\Plugin\Block\GalleryBlock->build() (line 118 of modules\contrib\shares-master\src\Plugin\Block\GalleryBlock.php).
• Notice: Undefined offset: 0 in Drupal\shares\Plugin\Block\GalleryBlock->build() (line 119 of modules\contrib\shares-master\src\Plugin\Block\GalleryBlock.php).