MongoDB: EmptyStackException when joining tables

insert into customer2 values(1,'Pepa', 'Koukal');
insert into customer2 values(2,'Jan', 'Tlemil');
insert into Address values(1,1,'Pepas Street','Pepas City','Pepas State', 'Pepas zipcode');
insert into Address values(2,2,'Jans Street','Pepa','Jans State', 'Jans zipcode');

select a.*,b.* from customer2 a inner join Address b on a.CustomerId=b.CustomerId order by a.customerID

Error: 
 java.util.EmptyStackException
at java.util.Stack.peek(Stack.java:102)
at java.util.Stack.pop(Stack.java:84)
at org.teiid.translator.mongodb.MongoDBSelectVisitor.visit(MongoDBSelectVisitor.java:993)
at org.teiid.language.SortSpecification.acceptVisitor(SortSpecification.java:53)
at org.teiid.language.visitor.AbstractLanguageVisitor.visitNode(AbstractLanguageVisitor.java:51)
at org.teiid.translator.mongodb.MongoDBSelectVisitor.append(MongoDBSelectVisitor.java:112)