Can't add portlet in the home page

• Type: Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: 7.0.X
• Fix Version/s: 7.0.X
• Component/s: Legacy Components > Administration UI
• Labels:
  • QA-V
• Fix Priority: 5
• Browsers:
  Internet Explorer 11
• QA Test Name:
  • Manual_Environment_Application_Security
  • Manual_Environment_Collaboration
  • Manual_Environment_Staging_Remote
• QA Test Score: 15

Steps to Reproduce:
1. Start the portal and login in.
2. Navigation to the home page, and click on "Add" in the upper left corner.
3. Choose the "Application" tab.
4. Add a Blogs portlet.

Expected result:
The portlet can be added.

Actual result:
Can't see the "+", so can't add portlet.