ارور BadMethodCallException

@ali.bayat
@khanzadimahdi
ایراد این ارور از چیه در صورتی که این فانکشن وجود دارد

Method App\\Http\\Controllers\\Api\\v1\\GeneralController::heading1_create does not exist.",
این ارور
public function heading1_create(Request $request)//اصلی این هست نه dingپایینی
    {
        $valiDate = $this->validate($request, [
            'admin_id'=>'',
            'form_id' => 'min:0|max:7',
            'head_image' => 'mimes:jpeg,jpg,bmp,png|max:300',//330کیلو بایت  هست
            'heading_text' => '',
            'sub_heading_text' => 'min:0|max:7',
            'heading_size' => 'min:0|max:7',
            'text_alignment' => 'min:0|max:7',
            'hide_field' => 'min:0|max:7',
        ]);
        $y = HeadingModel::create([
            'admin_id'=>auth()->user()->id,
            'form_id' => $valiDate['form_id'],
            'head_image' => $valiDate['form_width'],
            'heading_text' => $valiDate['heading_text'],
            'sub_heading_text' => $valiDate['sub_heading_text'],
            'heading_size' => $valiDate['heading_size'],
            'text_alignment' => $valiDate['text_alignment'],
            'hide_field' => $valiDate['hide_field'],
        ]);
        return response([
            'data' => [
                'message' => 'heading is registered',
            ],
            'status' => 'success',
            'ID' => $y->id
        ]);
    }
Route::post('/heading1/create', 'GeneralController@heading1_create');