lionelLLU
Novice

Get error: “App does not exist" when I try to access form published to Nintex Mobile phone

Hello all, 

I am using Nintex forms and Nintex Workflows for Sharepoint on a Sharepoint 2019 server. 

 

I am able to successfully deploy a form to Nintex Mobile Phone

lionelLLU_0-1660578987630.png

 

I have a Desktop layout and Nintex Mobile Phone layout.

 

When I go to the URL to the form via a desktop browser I am able to access the form (Desktop layout)  with no issues.

 

Trying to access the Form from my phone I use the Nintex Mobile (app downloaded from Google Play on my Android Phone) I get a Sharepoint error.

 

Here is my process to access the form via Nintex Mobile app.

 

When the app is opened, I use the Office 365 authentication. I input the URL of my site. I then get this screen to login:

lionelLLU_1-1660578987633.png

 

lionelLLU_2-1660578987635.png

 

My authentication credentials are accepted but right after I authenticate I get :

This SharePoint error: “The app does not exist.”

lionelLLU_3-1660578987642.png

 

lionelLLU_4-1660578987643.png

As I stated previously I have no issue accessing the form from a browser on a Desktop.

 

Thank you in advance for your support Community!

 

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2 Replies
SimonMuntz
Nintex How-To Center Expert
Nintex How-To Center Expert

Re: Get error: “App does not exist" when I try to access form published to Nintex Mobile phone

Hi,
Are you saying that your on-premise SharePoint authenticates via O365? Does the environment have multiple forms of authentication? i.e NTLM and MFA?
Have you gone through the following KnowledgeBase article to make sure that relevant endpoints are accessible?
https://community.nintex.com/t5/Nintex-for-SharePoint/How-to-expose-Nintex-Mobile-through-your-firew...

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lionelLLU
Novice

Re: Get error: “App does not exist" when I try to access form published to Nintex Mobile phone

Thank you for your quick feedback Simon! 
Yes my Sharepoint 2019 server is on prem and Autheticates via Office365.

The environment has multiple form of authentication: MFA.

The desktop version of the form is accessible from outside of our network with no issue. It is only for the display pubilshed to Nintex Mobile that I get the Sharepoint error message "app does not exist".

Thank you for the knowledge article, I will try to look into FBA support for Nintex Mobile and will report if this fixed the issue.

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