NoClassDef on using testrunner

I am getting a NoClassDef on SOAP UI Release[s:yl24l6mo]2.1[/s:yl24l6mo] 2.5.1 when using TestRunner C:\work\test\lib>java -cp C:\work\test\lib\activation-1.1.jar;C:\work\test\lib\bcprov-jdk15-140....