Drupal 7 Upgrade Troubleshooting


I need someone to help me troubleshoot some issues we’re having on a few sites after upgrading to the latest Drupal 7 version.  In particular, images can be uploaded, but image styles cannot be generated.  I’ve researched the support forums as much as I can, but the solutions have not helped, so I’m hoping to find someone with more back-end development experience to help me troubleshoot.  Please get in touch with your hourly rate.

Thank you!

Drupal version: 

Source: https://www.drupal.org/taxonomy/term/51/feed