关于GSEA的问题

perl777

请问有哪位使用GSEA吗？
我在输入文件时出现问题，错误提示：
<Error Details>

---- Full Error Message ----
There were errors: ERROR(S) #:1
Parsing trouble
java.lang.NumberFormatException: ...

---- Stack Trace ----
# of exceptions: 1
------For input string: "null"------
java.lang.NumberFormatException: For input string: "null"
        at sun.misc.FloatingDecimal.readJavaFormatString(Unknown Source)
        at java.lang.Float.parseFloat(Unknown Source)
        at edu.mit.broad.genome.parsers.TxtDatasetParser._parseHasDesc(EIKM)
        at edu.mit.broad.genome.parsers.TxtDatasetParser.parse(EIKM)
        at edu.mit.broad.genome.parsers.TxtDatasetParser.parse(EIKM)
        at edu.mit.broad.genome.parsers.ParserFactory.readDatasetTXT(EIKM)
        at edu.mit.broad.genome.parsers.ParserFactory.readDatasetTXT(EIKM)
        at edu.mit.broad.genome.parsers.ParserFactory.readDatasetTXT(EIKM)
        at edu.mit.broad.genome.parsers.ParserFactory.read(EIKM)
        at edu.mit.broad.genome.parsers.ParserFactory$1.run(EIKM)
        at java.lang.Thread.run(Unknown Source)

这是怎么回事？检查了很久的输入文件，也上网查了很久，就是找不到问题了，哪位大侠指点下下啊~~~万分感谢啊！！！