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Home > Success Center > User Device Tracker (UDT) > UDT - Knowledgebase Articles > The Controls collection cannot be modified because the control contains code blocks in UDT 3.2.2

The Controls collection cannot be modified because the control contains code blocks in UDT 3.2.2

Last Updated: 21 Dec 2018

Overview

The node details page is not loading for some users and the following error appears:

The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>)

2015-07-01 10_33_55-.png

Environment

All Orion version with at least UDT version 3.2.2

Cause

This may occur when the Port Details resource is included in the Node Details.

Resolution

A)

  1. Go to Settings > Manage Views.
  2. Select Node Details - Summary.
  3. Click Edit.
  4. Select Port Details.
  5. Click Delete.
  6. Click Save.

 

B)

-Navigate to C:\Program Files (x86)\SolarWinds\Orion\UDT\

-Verify that Solarwinds.UDT.BusinessLayer.dll (UDT 3.2.2 Hotfix-2 is not Blocked and Unblock it if so

 

C)

 

  • Go to C:\Program Files (x86)\Solarwinds\Orion\UDT
  • Remove any old dlls, some are quite obvious 2015,2016 dates in them
  • Back them up if need be, once they are removed restart and try page again
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