finally....

routes/web.php

@@ -41,15 +41,16 @@ Route::post('register', RegisterController::class)->name('register.store');
 
 Route::middleware(['auth'])->group(function () {
     Route::resource('productos', ProductosController::class)->parameters([
-        'productos' => 'producto' 
+        'products' => 'product' 
     ]);
     Route::resource('clients', ClientController::class);
     Route::get('/checker', [ProductosController::class, 'checker'])->name('productos.checker');
     Route::get('/productos/{id}', [ProductosController::class,'show'])->name('productos.show');
     Route::get('/productos/{id}/edit', [ProductosController::class,'edit'])->name('productos.edit');
-    
+
     //Route::get('/sales', [SaleController::class, 'index'])->name('sales.index');
     Route::get('/sales/create', [SaleController::class, 'create'])->name('sales.create');
+    Route::get('/sales/store', [SaleController::class, 'store'])->name('sales.store');
 });