求问关于Swarm产生柱状图的问题 多谢大家了！！

mushroom89

各位好，我想请教一下，我想产生一个柱状图，但是在buildActions（）好像selector那有问题，说
There was an error in creating a Selector for method step in Class swarm.analysis.EZDistributionImpl.
+ \* W9 [/ l7 P, Eswarm.analysis.EZDistributionImpl.step returns null
The process will be terminated.
0 q0 l6 @$ V  U$ \: P6 O(Tcl -eval couldn't read file "F:Swarm-2.2-java/lib/tcl8.4//word.tcl": no such file or directory
    while executing
3 K  n/ ^1 M1 I: D# S- _"source F:\Swarm-2.2-java/lib/tcl8.4//word.tcl"
- e9 I( P' `, ]) b& x! L; ?# ]1 Kwhile evaluating: source F:\Swarm-2.2-java/lib/tcl8.4//word.tcl
*** event raised for warning: WarningMessage
6 A- R2 T! j, a+ `$ @: c# q1 o*** function: _i_ProbeMap__addProbe_(), file: /src/swarm/src/objectbase/ProbeMap.m, line: 606
Attempt to add null probe
*** execution continuing...
/ i& }2 U) c, E/ f  b  ]请问第一个参数应该是什么呢 我设的是ezdist（一个EZDistribution object），
请问是怎么回事呢？多谢大家了~