E_DEPRECATED Error in file »bootstrap.inc« at line 363: Return type of DrupalCacheArray::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
E_DEPRECATED Error in file »bootstrap.inc« at line 370: Return type of DrupalCacheArray::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
E_DEPRECATED Error in file »bootstrap.inc« at line 382: Return type of DrupalCacheArray::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
E_DEPRECATED Error in file »bootstrap.inc« at line 389: Return type of DrupalCacheArray::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Deprecated: Return type of DatabaseConnection::commit() should either be compatible with PDO::commit(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/gruegori/www/xtof/includes/database/database.inc on line 1317

Deprecated: Return type of DatabaseConnection::inTransaction() should either be compatible with PDO::inTransaction(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/gruegori/www/xtof/includes/database/database.inc on line 1016

Fatal error: Declaration of DatabaseConnection::query($query, array $args = [], $options = []) must be compatible with PDO::query(string $query, ?int $fetchMode = null, mixed ...$fetchModeArgs): PDOStatement|false in /home/gruegori/www/xtof/includes/database/database.inc on line 681
Stack trace:
#0 /home/gruegori/www/xtof/includes/bootstrap.inc(2517): _drupal_bootstrap_database()
#1 /home/gruegori/www/xtof/includes/bootstrap.inc(2659): drupal_bootstrap(3, false)
#2 /home/gruegori/www/xtof/includes/bootstrap.inc(2513): _drupal_bootstrap_page_cache()
#3 /home/gruegori/www/xtof/index.php(85): drupal_bootstrap(7)
#4 {main}

Fatal error: Uncaught Error: Call to undefined function db_query() in /home/gruegori/www/xtof/includes/cache.inc:359
Stack trace:
#0 /home/gruegori/www/xtof/includes/cache.inc(340): DrupalDatabaseCache->getMultiple(Array)
#1 /home/gruegori/www/xtof/includes/cache.inc(57): DrupalDatabaseCache->get('_drupal_file_sc...')
#2 /home/gruegori/www/xtof/includes/bootstrap.inc(1001): cache_get('_drupal_file_sc...', 'cache_bootstrap')
#3 /home/gruegori/www/xtof/includes/bootstrap.inc(942): _drupal_file_scan_cache()
#4 /home/gruegori/www/xtof/includes/bootstrap.inc(907): _drupal_get_filename_fallback('module', 'system', true, true)
#5 /home/gruegori/www/xtof/includes/module.inc(74): drupal_get_filename('module', 'system', 'modules/system/...')
#6 /home/gruegori/www/xtof/includes/theme.maintenance.inc(53): module_list(true, false, false, Array)
#7 /home/gruegori/www/xtof/includes/bootstrap.inc(2882): _drupal_maintenance_theme()
#8 /home/gruegori/www/xtof/includes/errors.inc(179): drupal_maintenance_theme()
#9 /home/gruegori/www/xtof/includes/bootstrap.inc(2610): _drupal_log_error(Array, true)
#10 [internal function]: _drupal_exception_handler(Object(Error))
#11 {main}
  thrown in /home/gruegori/www/xtof/includes/cache.inc on line 359