Additional uncaught exception thrown while handling exception.

Original

Error: Class "Redis" not found in Drupal\redis\Client\PhpRedis->getClient() (line 18 of /lv7/www/i2u/i2u_3/web/modules/contrib/redis/src/Client/PhpRedis.php).

Drupal\redis\Client\PhpRedis->getClient() (Line: 180)
Drupal\redis\ClientFactory::getClient() (Line: 65)
Drupal\redis\Cache\CacheBackendFactory->get() (Line: 110)
Drupal\Core\Cache\CacheFactory->get()
call_user_func_array() (Line: 257)
Drupal\Component\DependencyInjection\Container->createService() (Line: 179)
Drupal\Component\DependencyInjection\Container->get() (Line: 438)
Drupal\Component\DependencyInjection\Container->resolveServicesAndParameters() (Line: 239)
Drupal\Component\DependencyInjection\Container->createService() (Line: 179)
Drupal\Component\DependencyInjection\Container->get() (Line: 438)
Drupal\Component\DependencyInjection\Container->resolveServicesAndParameters() (Line: 239)
Drupal\Component\DependencyInjection\Container->createService() (Line: 179)
Drupal\Component\DependencyInjection\Container->get() (Line: 438)
Drupal\Component\DependencyInjection\Container->resolveServicesAndParameters() (Line: 239)
Drupal\Component\DependencyInjection\Container->createService() (Line: 179)
Drupal\Component\DependencyInjection\Container->get() (Line: 438)
Drupal\Component\DependencyInjection\Container->resolveServicesAndParameters() (Line: 239)
Drupal\Component\DependencyInjection\Container->createService() (Line: 179)
Drupal\Component\DependencyInjection\Container->get() (Line: 438)
Drupal\Component\DependencyInjection\Container->resolveServicesAndParameters() (Line: 239)
Drupal\Component\DependencyInjection\Container->createService() (Line: 179)
Drupal\Component\DependencyInjection\Container->get() (Line: 438)
Drupal\Component\DependencyInjection\Container->resolveServicesAndParameters() (Line: 239)
Drupal\Component\DependencyInjection\Container->createService() (Line: 179)
Drupal\Component\DependencyInjection\Container->get() (Line: 1515)
Drupal\Core\DrupalKernel->getHttpKernel() (Line: 741)
Drupal\Core\DrupalKernel->handle() (Line: 19)

Additional

Error: Class "Redis" not found in Drupal\redis\Client\PhpRedis->getClient() (line 18 of /lv7/www/i2u/i2u_3/web/modules/contrib/redis/src/Client/PhpRedis.php).

Drupal\redis\Client\PhpRedis->getClient() (Line: 180)
Drupal\redis\ClientFactory::getClient() (Line: 65)
Drupal\redis\Cache\CacheBackendFactory->get() (Line: 110)
Drupal\Core\Cache\CacheFactory->get()
call_user_func_array() (Line: 257)
Drupal\Component\DependencyInjection\Container->createService() (Line: 179)
Drupal\Component\DependencyInjection\Container->get() (Line: 438)
Drupal\Component\DependencyInjection\Container->resolveServicesAndParameters() (Line: 239)
Drupal\Component\DependencyInjection\Container->createService() (Line: 179)
Drupal\Component\DependencyInjection\Container->get() (Line: 438)
Drupal\Component\DependencyInjection\Container->resolveServicesAndParameters() (Line: 239)
Drupal\Component\DependencyInjection\Container->createService() (Line: 179)
Drupal\Component\DependencyInjection\Container->get() (Line: 414)
Drupal::config() (Line: 330)
_drupal_get_error_level() (Line: 122)
error_displayable() (Line: 214)
_drupal_log_error() (Line: 184)
_drupal_exception_handler()