We regret we cannot entertain your claim, which is without any foundation.

很遗憾我们不能受理你方索赔，它没有任何根据。

youdao

Category 3 hurricanes are known to damage small buildings or even destroy those without any solid foundation, such as mobile homes.

FORBES: Market Scan

For its part, Deutsche Telekom wrote to Prime Minister Singh in October saying that the cancellation was "without any contractual foundation" and violated a 1998 pact between India and Germany that is designed to protect cross-border investments.

WSJ: Deutsche Telekom, U.S. Firms Scrap With India Over Scuttled Satellite Deal

It went on to say: The company has rigorous health and safety standards and any suggestion to the contrary is completely without foundation.

BBC: Passengers boarding a Jersey bus