mPDF error: IMAGE Error (https://maps.googleapis.com/maps/api/staticmap?center=50.0140122,15.7717961&zoom=10&size=182x350&markers=color:red|50.0140122,15.7717961&sensor=false&key=AIzaSyBqC_8GYhnieG6WykuaADFJ7V8mA8yR61U): Could not find image file