Fatal error: Uncaught Exception: /home/ngrandy/public_html/w/extensions/FlexDiagrams/extension.json is not a valid JSON file. in /home/ngrandy/public_html/w/includes/registration/ExtensionRegistry.php:347 Stack trace: #0 /home/ngrandy/public_html/w/includes/registration/ExtensionRegistry.php(229): ExtensionRegistry->readFromQueue(Array) #1 /home/ngrandy/public_html/w/includes/Setup.php(161): ExtensionRegistry->loadFromQueue() #2 /home/ngrandy/public_html/w/includes/WebStart.php(89): require_once('/home/ngrandy/p...') #3 /home/ngrandy/public_html/w/index.php(44): require('/home/ngrandy/p...') #4 {main} thrown in /home/ngrandy/public_html/w/includes/registration/ExtensionRegistry.php on line 347