Created attachment 827558 [details]
Test run log file

Description of problem:
The Groups page shows a languages table on opening. Clicking a language shows the right hand table with projects for that language.
However, if the user sorts the right hand table before clicking a language, an exception will occur

Version-Release number of selected component (if applicable):
dev

How reproducible:
Easy, always

Steps to Reproduce:
1. Sign in, go to Groups.
2. Select a group that has a language set
   - Do not click on the language!
3. Click on the sorting icon (currently says "alphabetical") in the right hand table, which should be currently noting "Select a language from list."
4. Select hours, or %

Actual results:
NullPointerException, error screen is displayed

Expected results:
No effect

Additional info:
Log attached