Adding teams and removing services causes CalculateTeamServicePoints to print exceptions

[Trolldemorted]

fail: EnoEngine.EnoEngine[0]
      CalculateServicePoints failed because: Microsoft.EntityFrameworkCore.DbUpdateConcurrencyException: The database operation was expected to affect 1 row(s), but actually affected 0 row(s); data may have been modified or deleted since entities were loaded. See http://go.microsoft.com/fwlink/?LinkId=527962 for information on understanding and handling optimistic concurrency exceptions.
         at Npgsql.EntityFrameworkCore.PostgreSQL.Update.Internal.NpgsqlModificationCommandBatch.ConsumeAsync(RelationalDataReader reader, CancellationToken cancellationToken)
         at Microsoft.EntityFrameworkCore.Update.ReaderModificationCommandBatch.ExecuteAsync(IRelationalConnection connection, CancellationToken cancellationToken)
         at Microsoft.EntityFrameworkCore.Update.ReaderModificationCommandBatch.ExecuteAsync(IRelationalConnection connection, CancellationToken cancellationToken)
         at Microsoft.EntityFrameworkCore.Update.Internal.BatchExecutor.ExecuteAsync(IEnumerable`1 commandBatches, IRelationalConnection connection, CancellationToken cancellationToken)
         at Microsoft.EntityFrameworkCore.Update.Internal.BatchExecutor.ExecuteAsync(IEnumerable`1 commandBatches, IRelationalConnection connection, CancellationToken cancellationToken)
         at Microsoft.EntityFrameworkCore.Update.Internal.BatchExecutor.ExecuteAsync(IEnumerable`1 commandBatches, IRelationalConnection connection, CancellationToken cancellationToken)
         at Microsoft.EntityFrameworkCore.ChangeTracking.Internal.StateManager.SaveChangesAsync(IList`1 entriesToSave, CancellationToken cancellationToken)
         at Microsoft.EntityFrameworkCore.ChangeTracking.Internal.StateManager.SaveChangesAsync(StateManager stateManager, Boolean acceptAllChangesOnSuccess, CancellationToken cancellationToken)
         at Npgsql.EntityFrameworkCore.PostgreSQL.Storage.Internal.NpgsqlExecutionStrategy.ExecuteAsync[TState,TResult](TState state, Func`4 operation, Func`4 verifySucceeded, CancellationToken cancellationToken)
         at Microsoft.EntityFrameworkCore.DbContext.SaveChangesAsync(Boolean acceptAllChangesOnSuccess, CancellationToken cancellationToken)
         at Microsoft.EntityFrameworkCore.DbContext.SaveChangesAsync(Boolean acceptAllChangesOnSuccess, CancellationToken cancellationToken)
         at EnoDatabase.EnoDb.CalculateTeamServicePoints(Team[] teams, Int64 roundId, Service service, Int64 oldSnapshotsRoundId, Int64 newLatestSnapshotRoundId) in /services/EnoEngine/EnoDatabase/EnoDb.Scoring.cs:line 174
         at EnoDatabase.EnoDbUtil.RetryScopedDatabaseAction(Func`2 function) in /services/EnoEngine/EnoDatabase/EnoDbUtil.cs:line 44
         at EnoEngine.EnoEngine.<>c__DisplayClass14_2.<<CalculateServicePoints>b__1>d.MoveNext() in /services/EnoEngine/EnoEngine/EnoEngine.CTF.cs:line 121
      --- End of stack trace from previous location ---
         at EnoEngine.EnoEngine.CalculateServicePoints(Int64 roundId, Configuration configuration) in /services/EnoEngine/EnoEngine/EnoEngine.CTF.cs:line 126