<b>type</b> Exception report</p>\r

<b>message</b> <u>String index out of range: -10</u></p>\r

com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)

java.lang.reflect.Method.invoke(Method.java:606)

com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:166)