MAGETWO-81469: Cached Config is Different From DB

Author: Oleksandr Gorkun

lib/internal/Magento/Framework/App/Config/MetadataConfigTypeProcessor.php

@@ -114,9 +114,14 @@ private function processScopeData(
         $scopeCode = null
     ) {
         foreach ($this->_metadata as $path => $metadata) {
-            $configPath = $this->configPathResolver->resolve($path, $scope, $scopeCode);
-            if (!empty($this->configSource->get($configPath))) {
-                continue;
+            try {
+                $configPath = $this->configPathResolver->resolve($path, $scope, $scopeCode);
+                if (!empty($this->configSource->get($configPath))) {
+                    continue;
+                }
+            } catch (\Throwable $exception) {
+                //Failed to load scopes or config source, perhaps config data received is outdated.
+                return $data;
             }
             /** @var \Magento\Framework\App\Config\Data\ProcessorInterface $processor */
             $processor = $this->_processorFactory->get($metadata['backendModel']);