Odd Deployment Failure

System

ERROR: Deployment (.dartsdeploy_008.com_plus.crp503): Size of local directories[3] is not equal to that of of filelist[2]
ENG: 2003-11-28 09:43:43 EST GMT-05:00 Thread-1509 ***ERROR - Job ID=m781Deployment=dartsdeploy_008
UnSuccessful per-leg after-disconnect DNR Execution ..

any ideas? I'm doing a file list deploy and the file list only contains one file reference ... the path reference is perfectly valid - I don't really understand this error ...