Drupal Technical
[SOLVED][Drupal Views] No valid values found on filter: User: Roles
A few Drupal users were getting the "No valid values found on filter: User: Roles" error message when they were trying to save/edit their Views. This was reported to have occurred after upgrading to the Views Dev version. They had mentioned that their Views were working correctly on their Drupal site. If you are facing the same issues while using Views in your Drupal site then checkout the solution.
Here is the most widely reported solution
- Go to Admin/structure/views/settings.
- Check the "Always show the master display" option.
- Next proceed to the master display of your View which is having the issue.
- Check if there is an unwanted "Unknown" filter.
- Remove it when you find it and this should solve the whole problem
Hope that helps.
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Reference: http://drupal.org/node/1343482
