Pork Goulash with Sauerkraut

Name: Pork Goulash with Sauerkraut
Ingredients: 750 grams Pork goulash; 4 tablespoons Vegetable oil; 1 tablespoon sweet ground paprika (plus more for seasoning at the end); ½ tablespoon hot ground paprika; 300 grams Onion; Salt; Pepper; 2 tablespoons Ajvar (jarred Serbian roasted red pepper preserves); 150 milliliters Red wine (z. B. Merlot); 600 milliliters Broth; 300 grams Potatoes; 300 grams Sauerkraut; 4 tablespoons Sour cream (20% butterfat)