Error accessing the Test Run page

Issue:

Unable to access the Test Execution details of Test as clicking on the Execution details icon page loads and gives blank page. 
This will only affect older Test Runs that were created before a certain date.

Steps to reproduce:

1. Go to a Test and select Test Runs option.
2. And click on the Execution details icon. 

Actual Result: Page loads for a long time and gives blank page. 

Expected Result: Page should show Test Execution details page.