E0434F4D.System.InvalidOperationException (\This feature requires Nintex Live and External Start. Please go to Live settings and click Enable to complete the installation.\")"

Also in our Event Viewer we see eventid 7043 showing up randomly at all hours of the day or night and the user is IUSR so perhaps it is tied to something in a workflow?

Log Name:      Application

Source:        Microsoft-SharePoint Products-SharePoint Foundation

Date:          7/25/2016 3:00:02 AM

Event ID:      7043

Task Category: Web Controls

Level:         Error

Keywords:     

User:          NT AUTHORITYIUSR

Computer:      removed

Description:

Load control template file /_controltemplates/15/NWLOnlineComponents.ascx failed: The expression prefix 'NWLResources' was not recognized.  Please correct the prefix or register the prefix in the <expressionBuilders> section of configuration.

Event Xml:

<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">

  <System>

    <Provider Name="Microsoft-SharePoint Products-SharePoint Foundation" Guid="{6FB7E0CD-52E7-47DD-997A-241563931FC2}" />

    <EventID>7043</EventID>

    <Version>15</Version>

    <Level>2</Level>

    <Task>15</Task>

    <Opcode>0</Opcode>

    <Keywords>0x4000000000000000</Keywords>

    <TimeCreated SystemTime="2016-07-25T08:00:02.887114000Z" />

    <EventRecordID>133350</EventRecordID>

    <Correlation ActivityID="{E133939D-8B92-F020-63C9-8B6B4E8FD93A}" />

    <Execution ProcessID="5152" ThreadID="4600" />

    <Channel>Application</Channel>

    <Computer>removed</Computer>

    <Security UserID="removed" />

  </System>

  <EventData>

    <Data Name="string0">Load control template file /_controltemplates/15/NWLOnlineComponents.ascx failed: The expression prefix 'NWLResources' was not recognized.  Please correct the prefix or register the prefix in the &lt;expressionBuilders&gt; section of configuration.</Data>

  </EventData>

</Event>

Can you post a valid entry for this?

We left the checkbox to install Nintex Live unchecked so I can see why that line might not have been written to our web.configs. I've added it and the farm didn't crash so I'll monitor and post back later today. Thanks for taking the time to post that for me!

It looks like that has done the trick. Thank  you!

I may have spoke too soon. I'm not seeing the original error in my Event Viewer but I now get:

Load control template file /_controltemplates/15/NWLOnlineComponents.ascx failed: The given assembly name or codebase was invalid. (Exception from HRESULT: 0x80131047) (C:inetpubwwwrootwssVirtualDirectories443web.config line 591)

I imagine this is because it is not installed on my farm, nor do I want it installed. Nintex should not be looking for these files if the user did not install them.

The ULS logs

Failed to open the file 'C:Program FilesCommon FilesMicrosoft SharedWeb Server Extensions15ResourcesNWLRes.en-US.resx'.

Failed to read resource file "C:Program FilesCommon FilesMicrosoft SharedWeb Server Extensions15ResourcesNWLRes.en-US.resx" from feature id "(null)".

I can see there is a NWLRes.resx and a NWLResource.en-US.resx but no NWLRes.en-US.resx file

I'd be interested to know if other users elected to no install Nintex LIve and are experiencing these issues. We are expeiriencing this issue in both QA and Production.