The GET method is not supported for this route. Supported methods: PUT

I want to store the values to the Database and redirect to a new page but find this error. I changed my code many times but same error is displayed. I am continuously finding this error.Please if there is any tricks to avoid the error please provide it to me.I have tried many possible things but the error is same.

Route.php

            Route::get('/create',   ['as'=>'creates','uses'=>'CAsController@create2']);
            Route::put('/postca', 'CAsController@storing');



    <?php

    namespace App\Http\Controllers;
    use App\CAModel;
    use Illuminate\Http\Request;

   class CAsController extends Controller
    {
    public function create2(){
    return view('chartered.create');
}
public function storing(Request $request)
{
    // Handle File Upload
    if($request->hasFile('profile')){
        // Get filename with the extension
        $filenameWithExt = $request->file('profile')->getClientOriginalName();
        // Get just filename
        $filename = pathinfo($filenameWithExt, PATHINFO_FILENAME);
        // Get just ext
        $extension = $request->file('profile')->getClientOriginalExtension();
        // Filename to store
        $fileNameToStore= $filename.'_'.time().'.'.$extension;
        // Upload Image
        $path = $request->file('profile')->storeAs('public/profile', $fileNameToStore);
    } else {
        $fileNameToStore = 'noimage.jpg';
    }


    // Handle File Upload
    if($request->hasFile('certificate')){
        // Get filename with the extension
        $filenameWithExt1 = $request->file('certificate')->getClientOriginalName();
        // Get just filename
        $filename1 = pathinfo($filenameWithExt1, PATHINFO_FILENAME);
        // Get just ext
        $extension1 = $request->file('certificate')->getClientOriginalExtension();
        // Filename to store
        $fileNameToStore1= $filename1.'_'.time().'.'.$extension1;
        // Upload Image
        $path1 = $request->file('certificate')->storeAs('public/certificate', $fileNameToStore1);
    } else {
        $fileNameToStore1 = 'noimage.jpg';
    }

    $ca = new CAModel;
    $ca->fname = $request->input('fname');
    $ca->lastname = $request->input('lastname');
    $ca->username = $request->input('username');
    $ca->city = $request->input('city');
    $ca->state = $request->input('state');
    $ca->zip = $request->input('zip');
    $ca->phone = $request->input('phone');
    $ca->email = $request->input('email');
    $ca->gstno = $request->input('gstno');
    $ca->website = $request->input('website');
    $ca->services = $request->input('services');
    $ca->profile = $fileNameToStore;
    $ca->certificate = $fileNameToStore1;  
    $ca->save();
    return redirect('/postca');
}

}

         <p>Register for TaxRx.</p>
        <form method="POST" action="">
          @csrf
          @method('put')
                <div class="form-group">
                <input type="text" class="form-control" placeholder="Name" style="text-transform: uppercase;" value="" readonly>
                </div>

via Chebli Mohamed