I’ve got an old Rails project running ruby 2.4.1p111 and rails 5.1. I’m going to update it this weekend, but I put deliver_later on this instead of whatever it was before, which caused SerializationError, so I’m trying json:

I’ve got an old Rails project running ruby 2.4.1p111 and rails 5.1. I’m going to update it this weekend, but I put deliver_later on this instead of whatever it was before, which caused SerializationError, so I’m trying json: