Getting error : An invalid API version was specified in the request, this request needs to specify a ZUMO-API-VERSION of 2.0.0 in xamarin - xamarin

I am using Azure services in xamaring forms. When i use useclient.SyncContext.PushAsync() i get above error.
Does anyone know? Help me

Problem solved after upgrading Windows Azure package.

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Quickblox.sdk GetBaseSession() method throws "nonce is required" error

I have used quickblox chat sdk in my old xamarin.forms project. I know that quickblox is not supporting xamarin now, but old sdk was working fine till now, but from last week I am getting this error.
Code:
var baseSesionResult = await Provider.QbProvider.GetBaseSession();
When I am calling QbProvider.GetBaseSession() it throws below error:
CONTENT: {"errors":{"base":["nonce is required"]}}
I have tried different methods available in sdk but none is working. Any one know how to fix this error?
This is Nikolay from QuickBlox support.
Please add "" symbols around nonce and timestamp values and check if the issue is resolved.
The same information is mentioned in our documentation: https://docs.quickblox.com/reference/authentication#create-session
We released a patch for authentication that improves validation according to our documentation.
Hence, the issue is caused by incorrect implementation in the application that is why the server has started showing errors for submitted requests.

Azure App Service recently started throwing an error: Could not load file or assembly 'Microsoft.EntityFrameworkCore, Version=2.1.4.0

I didn't change anything, and my Azure App Service started throwing the error:
An error occurred while starting the application.
FileLoadException: Could not load file or assembly'Microsoft.EntityFrameworkCore, Version=2.1.4.0 ...
Which seemed odd, so I tried adding Microsoft.EntityFrameworkCore v2.1.4 with Nuget, and from that i just get a white error screen with
This page isn’t working
[WEBSITE] is currently unable to handle this request.
HTTP ERROR 500
With no other errors.
This all works perfectly fine locally (as always...) - I am not sure where to go from here? Any ideas? Thank you.
The error is because of the different versions between packages.
Please use this command in PM.
Install-Package Microsoft.VisualStudio.Web.CodeGeneration.Design -Version 2.0.3
For more details, you could refer to this issue.

Could not load file or assembly 'System.Net.Http.Formatting, Version=5.1.0.0'

I'm facing this issue while trying to call my bot via directline:
As you can see on the image below, my webapi bot project is using the version 5.2.4.0, but according to the log error, the Microsoft.Bot.Conector is trying to use an old version of it ?
Does anybody have a clue on how can I solve it ?
Adding a binding redirection as #Eric suggested worked fine.

[BFTask isFaulted]: unrecognized selector sent to instance error

Updated to Parse SDK 1.7.1 with Bolts 1.1.4 and using the new and latest Facebook SDK. Every time I login the user I get the following error:
[BFTask isFaulted]: unrecognized selector sent to instance error.
I'm able to login the user, the user's info is store in parse, but not sure how to resolve this exception.
Anyone else having this problem?
Had this problem also.
I copied the Parse Bolts framework to the project directory. Referencing didn't do it. Same for Parse FacebookutilsV4.
I had solved this problem just a minute ago.
You need update the latest FacebookSDK to avoid this error.
You can just download the latest SDK from facebook website.
However if you just drag the parse and facebook framework together into the project, maybe a 'duplicate' error will be reported.
So I recommend you to use CocoaPods to manage your thirdparty framework.

How to get latest version information from marketplace

I am trying to find a way to get the latest version number of windows phone 7 from the market place. It seems like the API does not have build in method to do this. Some suggestion I found mention about creating a web service to get the information. Does anyone have a more specific detail on how to do this? Where do I call the web service to get this information?
This is not from marketplace, but you can parse this page:
http://www.microsoft.com/windowsphone/en-us/howto/wp7/basics/update-history.aspx

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