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    <h3>Editing: InvalidRouteActionSolutionProvider.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

namespace Facade\Ignition\SolutionProviders;

use Facade\Ignition\Support\ComposerClassMap;
use Facade\Ignition\Support\StringComparator;
use Facade\IgnitionContracts\BaseSolution;
use Facade\IgnitionContracts\HasSolutionsForThrowable;
use Illuminate\Support\Str;
use Throwable;
use UnexpectedValueException;

class InvalidRouteActionSolutionProvider implements HasSolutionsForThrowable
{
    protected const REGEX = '/\[([a-zA-Z\\\\]+)\]/m';

    public function canSolve(Throwable $throwable): bool
    {
        if (! $throwable instanceof UnexpectedValueException) {
            return false;
        }

        if (! preg_match(self::REGEX, $throwable-&gt;getMessage(), $matches)) {
            return false;
        }

        return Str::startsWith($throwable-&gt;getMessage(), 'Invalid route action: ');
    }

    public function getSolutions(Throwable $throwable): array
    {
        preg_match(self::REGEX, $throwable-&gt;getMessage(), $matches);

        $invalidController = $matches[1] ?? null;

        $suggestedController = $this-&gt;findRelatedController($invalidController);

        if ($suggestedController === $invalidController) {
            return [
                BaseSolution::create(&quot;`{$invalidController}` is not invokable.&quot;)
                    -&gt;setSolutionDescription(&quot;The controller class `{$invalidController}` is not invokable. Did you forget to add the `__invoke` method or is the controller's method missing in your routes file?&quot;),
            ];
        }

        if ($suggestedController) {
            return [
                BaseSolution::create(&quot;`{$invalidController}` was not found.&quot;)
                    -&gt;setSolutionDescription(&quot;Controller class `{$invalidController}` for one of your routes was not found. Did you mean `{$suggestedController}`?&quot;),
            ];
        }

        return [
            BaseSolution::create(&quot;`{$invalidController}` was not found.&quot;)
                -&gt;setSolutionDescription(&quot;Controller class `{$invalidController}` for one of your routes was not found. Are you sure this controller exists and is imported correctly?&quot;),
        ];
    }

    protected function findRelatedController(string $invalidController): ?string
    {
        $composerClassMap = app(ComposerClassMap::class);

        $controllers = collect($composerClassMap-&gt;listClasses())
            -&gt;filter(function (string $_file, string $fqcn) {
                return Str::endsWith($fqcn, 'Controller');
            })
            -&gt;mapWithKeys(function (string $_file, string $fqcn) {
                return [$fqcn =&gt; class_basename($fqcn)];
            })
            -&gt;toArray();

        $basenameMatch = StringComparator::findClosestMatch($controllers, $invalidController, 4);

        $controllers = array_flip($controllers);

        $fqcnMatch = StringComparator::findClosestMatch($controllers, $invalidController, 4);

        return $fqcnMatch ?? $basenameMatch;
    }
}
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