Dashboard manage page fails to load in Aria Operations

Products

• VCF Operations

Issue/Introduction

• After clicking "Dashboard" > "Manage" page the icon keeps spinning indefinitely without actually loading the page. This has affected management of dashboards in Aria Operations. 
• All other pages in Aria Operations can be loaded with no issue.
• There's no resource contention (disks/cpu/memory) found for Aria Operations nodes. 
• Below messages are observed in /storage/log/vcops/log/web.log when attempting to access "Dashboard" > "Manage" page:
  
  com.vmware.vcops.ui.action.UtilityAction.execute - JavaScript Error - Msg:Uncaught Error: You're trying to decode an invalid JSON String: 
{"dashboards":......}

Environment

Aria Operations 8.18.X

Cause

The dashboard manage page is supposed to load all dashboards in Aria Operations. There's a dashboard name containing invalid characters that cannot be decoded in JSON format causing failure to load dashboard manage page.

Resolution

The dashboard with invalid name can be deleted with below steps once identified:

1. Select the dashboard.
2. Under drop down menu of "ACTIONS" on the right panel, select "Delete Dashboard".

This dashboard with invalid name cannot be managed or edited and has to be removed in order to restore access to dashboard manage page.