Error accessing TaskServer at http://intel-5:23000

An error occurred accessing the TaskServer at http://intel-5:23000. The error was:

geturl http://intel-5:23000/Tasks/172.16.0.58%2d32000%2dtask210154/WFULL0004.tmp, expected non-negative integer but got "2488413512"

Either the TaskServer is not running, there is a network issue, or this JobServer does not have permission to access it