Fatal error: Uncaught Error: Interface 'Facade\IgnitionContracts\RunnableSolution' not found in D:\xampp\htdocs\vendor\facade\ignition\src\Solutions\MakeViewVariableOptionalSolution.php:9 Stack trace: #0 {main} thrown in D:\xampp\htdocs\vendor\facade\ignition\src\Solutions\MakeViewVariableOptionalSolution.php on line 9