Merge pull request #873 from AffinityID/u4-7352

U4-7352 Fixed exception logging in UmbracoDatabase.

src/Umbraco.Core/Persistence/UmbracoDatabase.cs

@@ -117,7 +117,7 @@ namespace Umbraco.Core.Persistence
 
         public override void OnException(Exception x)
         {
-            _logger.Info<UmbracoDatabase>(x.StackTrace);
+            _logger.Error<UmbracoDatabase>("Database exception occurred", x);
             base.OnException(x);
         }