[InvalidOperationException: Sequence contains no matching element]
   System.Linq.Enumerable.Single(IEnumerable`1 source, Func`2 predicate) +4472590
   System.Linq.WhereSelectListIterator`2.MoveNext() +232
   System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 collection) +552
   Xtensive.Orm.Building.Builders.IndexBuilder.BuildConcreteTableIndexes(TypeInfo type) +2900
   Xtensive.Orm.Building.Builders.IndexBuilder.BuildIndexes() +356
   Xtensive.Orm.Building.Builders.ModelBuilder.BuildModel() +298
   Xtensive.Orm.Building.Builders.ModelBuilder.Run() +288
   Xtensive.Orm.Building.Builders.DomainBuilder.BuildModel() +220
   Xtensive.Orm.Building.Builders.DomainBuilder.BuildDomain(DomainConfiguration configuration, DomainBuilderConfiguration builderConfiguration) +376
   Xtensive.Orm.Upgrade.UpgradingDomainBuilder.BuildStageDomain(UpgradeStage stage) +339
   Xtensive.Orm.Upgrade.UpgradingDomainBuilder.Build(DomainConfiguration configuration) +240