The query Error won't go. about base-chat HOT 2 OPEN

I had the same issue but it's solved now:

//change
getMessages in chat.service.ts to be like this
getMessages():FirebaseListObservable<ChatMessage[]>{ return this.db.list('Messages', { query :{ limitToLast:25, orderByKey:true } }); }
// in chat.service.ts and app.module.ts you have to make
import {AngularFireDatabaseModule} from'angularfire2/database';
//look like this
import {AngularFireDatabaseModule} from 'angularfire2/database-deprecated';

from base-chat.

Hi @MadaZZ,
My dependencies are:
"firebase": "5.8.1",
"angularfire2": "5.1.1";

I changed:
return this.db.list('messages', {
query: {
limitToLast: 25,
orderByKey: true
}
});
to:
return this.db.list('messages', ref => ref.orderByKey().limitToLast(25));

from base-chat.