Get an error message when connecting/following/Block a user in FF and Chrome

• Type: Regression Bug
• Status: Closed
• Resolution: Duplicate
• Affects Version/s: 3.X EE, 3.X CE
• Fix Version/s: 3.X EE, 3.X CE, 3.1 EE
• Component/s: Social Office Dashboard, Social Office Dashboard > Contacts Center
• Labels: None
• Environment: Tomcat 7.0.42 + MySQL 5. Firefox 25.0. Portal 6.2.0 EE GA1; Tomcat 7.0.42 + MySQL 5. Chrome 30.0. Portal 6.2.0 EE GA1; Plugins 6.2.X CE Git ID: 9878c9e99c0421adbb5bd3882badb0f8f091a32f
• Affects Portal Version/s:
  6.2.0 CE GA1

Get an error message when connecting/following a user in FF and Chrome

1. Add an SOUser
2. Connect to SOUser

Expected result:
Should not have errors.

Actual result:
An error message appears then disappears after a second or two.
Same thing happens when you Disconnect and unfollow.
Affect FF25, and Chrome 30. IE9, IE8 are ok.