In the Create Data Pakage box, where you choose the data format for the package: choose "copy in existing format. After the data package is completed browse through the folders that were created. Identfy which folder contains your raster data. There is a bug in publisher that does not package all the rster data. Identfy which ratser data is missing then go to the original location of your raster data. Manually copy and paste the missing raster into the folder created when you packaged the data.