After 2 weeks, triggered first applications (Dockersschild at the Sole), after 6 weeks, the brine has completely replaced, and in general rather low stress. This happened only with the right shoe, so I start from a production error.
Nevertheless, the previously happened to me in any other shoe. If the purchase is not generally advise against as it might be in my copy is an isolated incident. But I recommend the shoes exactly to look and check the bonds.