Has an ETF ever failed?

Has an ETF ever failed? This is a question that investors often ponder, given the volatile nature of financial markets. ETFs, or Exchange-Traded Funds, are designed to provide diversified exposure to a particular asset class, sector, or index. While they generally aim to track the performance of the underlying assets, the question remains: is there a risk of failure? Have there been instances where ETFs have not met investors' expectations or even failed to maintain their value? Understanding the potential pitfalls and success stories of ETFs can help investors make informed decisions when navigating the world of financial products.