Error message 'Unable to load libraries' in Drupal 7
I'm tryng to create content in Drupal 7. I have enabled all the correct permissions and installed the latest library versions. But when I try to create interactive content, I keep getting the message 'unable to load libraries'. If I upload a demo (such as a fill in the blanks question) it will display fine on my site but if I then click 'edit' , there is no way I can edit it. Any ideas how to enable creating interactive content in Drupal 7?