Package Transfer Manager failed to update the package "{0}", Version {1}, on distribution point {2}. 1. The distribution ...

Package Transfer Manager failed to update the package "{0}", Version {1}, on distribution point {2}.
1. The distribution point might not be accessible to Package Transfer Manager running on the site server. If users are currently accessing the content files on the distribution point, disconnect the users first.
2. The distribution point does not have enough free disk space to store the content. Verify that there is enough free disk space.
3. The content source folder contains files with long file names and the total length of the path exceeds the maximum length supported by the operating system. Reduce the number of folders defined for the content, shorten the filename, or consider bundling the files using a compression utility.