Business is about having ideas for without them you're stuffed!
It is always the case that you have to believe in yourself to create ideas. In other words if you bleieve that you will create ideas then you will and likewiase if you don't you won't!
It is a positive aspect that give ideas the room to develop, qite a simple process of gearing you mind to expect ideas to happen. Once in place it will it is a fact that many don't realise.
Put aside doubts in your mind about coming up with ideas and that all you need to do. Try it!