A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

/var/www/rutlandtrail.org/mapview.cgi

54             store_value(kv[0],kv[1])

55

56     x,y = os.environ['QUERY_STRING'].split(',')

57     mpp = 2**(values['scale']-10)

58     easting = (values['x'] * 200 + int(x)) * mpp

x undefined, y undefined, os = <module 'os' from '/usr/lib/python2.3/os.pyc'>, os.environ = {'SERVER_SOFTWARE': 'Apache/1.3.33 (Debian GNU/L...'en-us,en;q=0.5', 'HTTP_ACCEPT_ENCODING': 'gzip'}, ].split undefined

ValueError: unpack list of wrong size
      args = ('unpack list of wrong size',)