Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\Servers\htdocs\inventory.fitzalan.co.uk\database\migrations\2012_12_06_225929_migration_cartalyst_sentry_install_groups.php:22 Stack trace: #0 {main} thrown in C:\Servers\htdocs\inventory.fitzalan.co.uk\database\migrations\2012_12_06_225929_migration_cartalyst_sentry_install_groups.php on line 22