If the version of the source code is different with your LabVIEW version, you may need mass compile the source code first by selecting the Mass Compile... menu from right click menu on the project item in the project explorer.
Expand Build Specifications.
Build To LabVIEW Project distribution by selecting the Build menu from the right click menu.
Build To LabVIEW VI Library distribution by selecting the Build_ menu from the right click menu.
Build Lazyboots Menu Tool Installer installer by selecting the Build menu from the right click menu.