Page keeps loading when editing the friendly URL with keyword

• Type: Bug
• Status: Verified
• Resolution: Unresolved
• Affects Version/s: 6.2.X EE
• Fix Version/s: None
• Component/s: Pages > Page Administration
• Labels: None
• Fix Priority: 4
• Bug Type: Regression Bug

Steps to reproduce:

1. Edit the welcome page frendlyURL
2. Change it to "tags"

Expected result:
There should be a warn of not using the keyword.

Actual result:
Page keeps loading and no warn displays.