Could not find prerequisite '<package>' in path '<path>'
This warning is generated when a package with the specified(or product name, if that has been persisted) could not be found in the bootstrapping application cache. This is similar to (Item '<package>' could not be located in '<path>').
To correct this error
Remove the package from the list of packages to bootstrap, or add the package to the cache. Also, be sure that the manifest is formatted correctly, using valid XML.