Description of problem:

When signed into Zanata, the list of locales is not visible on a project version page. The list is visible when not signed in.

When checking the 'Show all Locales' box, a loading graphic appears for several minutes, before an 'Internal Server Error' page is presented.

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


How reproducible:


Steps to Reproduce:
1. Visit a project version page, such as https://translate.zanata.org/zanata/iteration/view/fedora-installation-guide/f17
2. Check the 'Show all Locales' box
  
Actual results:
An error page stating the following:

"Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, it-ops-root and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log."

Expected results:

A list of all locales, which I can then browse.

Additional info: A slightly different, language-specific URL does grant access to a list of files while signed in: https://translate.zanata.org/zanata/iteration/files/fedora-installation-guide/f17/ja