Last night, I read this article. What I like most was the short paragraph that gave few recent examples of ‘big’ failures:

…With original ideas, failure is inevitable, because it’s impossible to predict how technologies will evolve and tastes will change. Mark Cuban passed on Uber. In the early days of Google, Larry Page and Sergey Brin tried to sell their search engine for less then $2 million, but their potential buyer turned them down. Publishers rejected Harry Potter because it was too long for a children’s book. Executives passed on Seinfeld for having incomplete plot lines and unlikeable characters. Pay a visit to Jerry Seinfeld’s bathroom, and you might find a memo hanging on the wall that calls the pilot episode of Seinfeld “weak” and says “No segment of the audience was eager to watch the show again.”

We know that most startups will fail. Moreover, in many cases, they will fail even if they had a good idea and executed well (see: “Why Startups Succeed” for more details).
So be willing to fail and try again.
You are in a good company.