fixed error message about cache settings

rhodecode/model/caching_query.py

@@ -110,7 +110,8 def query_callable(manager):
 
 def get_cache_region(name, region):
         if region not in beaker.cache.cache_regions:
-            raise BeakerException('Cache region not configured: %s' % region)
+        raise BeakerException('Cache region not configured: %s'
+            'Check if proper cache settings are in the .ini files' % region)
         kw = beaker.cache.cache_regions[region]
         return beaker.cache.Cache._get_cache(name, kw)