我在搞mrtg的时候出现以下问题，这是什么原因导致的

sbrd

我是按照精华帖子里的那个做的，别的都没有问题，在我用/usr/local/mrtg/bin/mrtg /var/www/html/mrtg/mrtg.cfg时出现下面问题，请问怎么解决。谢谢
Rateup ERROR: Can't cope with %Y-%m-%d %H:%M, sorry!
Use of uninitialized value in chomp at /usr/local/mrtg/bin/mrtg line 960, <RATEUP> line 6.
Use of uninitialized value in concatenation (.) or string at /usr/local/mrtg/bin/mrtg line 961, <RATEUP> line 6.
Use of uninitialized value in chomp at /usr/local/mrtg/bin/mrtg line 963, <RATEUP> line 6.
Use of uninitialized value in concatenation (.) or string at /usr/local/mrtg/bin/mrtg line 964, <RATEUP> line 6.
ERROR: Skipping webupdates because rateup did not return anything sensible
WARNING: rateup died from Signal 0
with Exit Value 1 when doing router '211.92.205.98_2'
Signal was 0, Returncode was 1
Rateup ERROR: Can't cope with %Y-%m-%d %H:%M, sorry!
Use of uninitialized value in chomp at /usr/local/mrtg/bin/mrtg line 960, <RATEUP> line 6.
Use of uninitialized value in concatenation (.) or string at /usr/local/mrtg/bin/mrtg line 961, <RATEUP> line 6.
Use of uninitialized value in chomp at /usr/local/mrtg/bin/mrtg line 963, <RATEUP> line 6.
Use of uninitialized value in concatenation (.) or string at /usr/local/mrtg/bin/mrtg line 964, <RATEUP> line 6.
ERROR: Skipping webupdates because rateup did not return anything sensible
WARNING: rateup died from Signal 0
with Exit Value 1 when doing router '211.92.205.98_3'
Signal was 0, Returncode was 1

sbrd

没人知道吗？