Dine With James Martin event saw fans of the chef stump up £35 to take part in an online cook-along with the star.But some participants complained the feed kept freezing and the 48-year-old had to take to social media to offer his apologies for the problems.But he also shared his plans to step back from Twitter and Instagram "for the foreseeable future" after being on the receiving end of abusive trolling.Martin posted on social media accounts: "Having seen some of the comments posted online