It's okay. Yongle Palace was originally located in Yongle Town, Ruicheng County, Shanxi Province. Yongle Grand Ceremony is a large-scale typesetting with tens of thousands of volumes. There is no connection between the two, so it doesn't matter. Yongle Dadian is a collection of ancient China classics compiled by Yao and others at the behest of Ming Taizu during Yongle period of Ming Dynasty.