JavaScript error when adding or editing a node "GetLicensedNodes failed, check fault information. undefined 500. Cannot edit nodes. Unable to edit nodes." in SolarWinds Platform

When trying to edit or add a node to the SolarWinds Platform, the following error message may appear:

JavaScript enonSys.WebForms.PageRequestManagerServerErrortixception Sys.WebForms.PageRequestManagerServerErrorException: GetLicensedNodes failed, check fault information.
undefined 500. Cannot edit nodes. Unable to edit nodes.

Example screenshot:

Steps to replicate the behavior

1. Edit a node (Edit Properties)
2. Edit a setting such as a custom property or even simply try making no changes at all,
3. Click 'SUBMIT' at the bottom
4. Receive error

Or 

1. Edit a node (Edit Properties)
2. Testing the SNMP Credentials or Agent Credentials
3. Click Test and fails
4. Receive error

This issue is occurring in multiple software version and SolarWinds is investigating the issue.

Please use the following workarounds to immediate resolve the issue.  If the problem persists, please file a SolarWinds support ticket to investigate the root cause.

Resolution #1

• Ensure all modules are licensed
  • Settings > All Settings > License Manager
• Ensure licenses are not exceeded
  • Settings > All Settings > License Details

If expired licenses exist - remove the software module to install the node. 
If the expired license is Log Analyzer - you cannot simply remove it. It must be replaced with the free version - Orion Log Manager (OLM). Steps; • Remove LA from Programs & Features • Install OLM via installer C:\ProgramData\SolarWinds\Installers\OLM-2020.x.x.xxxxx-LogMgmtBasicInstaller.ms • Configuration Wizard 
 

Resolution #2

Run the Orion Configuration Wizard to refresh Orion files

Resolution #3

How to run a repair on SolarWinds Orion Core Services

Resolution #4

Rebuild the Orion Website

Validate correct credentials to Orion Database and  OLV/LA Database