[Zope] directory checksum error

I tried to download the source for 2.6.2, but get errors when unzipping x Zope-2.6.2-src/lib/python/Products/PluginIndexes/TextIndex/Splitter/Unic odeSplitter/src, 0 bytes, 0 tape blocks tar: directory checksum error OR x Zope-2.6.2-solaris-2.8-sparc/lib/python/Products/PageTemplates/tests/inp ut/CheckBatchIteration.html, 275 bytes, 1 tape blocks x Zope-2.6.2-solaris-2.8-sparc/lib/python/Products/PageTemplates/tests/inp ut/CheckI18nTranslate.html, 348 bytes, 1 tape blocks tar: directory checksum error Any idea? Cheers Norman