There is no contradiction between accepting evolution and believing in the Gospel of Jesus Christ. There is no reason you can't believe in both Jesus saving us from sin and that evolution was the natural process God used to create life on earth.
The problem is that Jesus and his apostles believed that Adam was the first man. However, Adam is the personage of a myth who born just 4000 years before Christ. But we know that the first men lived 200 000 years ago, and most probably they came from Africa and not from the garden of Eden which was, according to the Bible, in the
Middle East, situated somewhere near where the Tigris and Euphrates Rivers are
today. So, why should believe in the Gospel of Jesus, knowing that this Gospel contains serious errors????