ParameterIntercepter throws unexpected Exception on parameter

Hi List, the ParameterIntercepter throws the following exception at my page: ERROR [btpool0-1] ParametersInterceptor.setParameters(204) | ParametersInterceptor - [setParameters]: Unexpected Exception caught setting 'button.regi ster' on 'class com.webapp.action.SignupAction: Error setting

Re: [struts] ParameterIntercepter throws unexpected Exception on parameter

Kropp, Henning wrote: ERROR [btpool0-1] ParametersInterceptor.setParameters(204) | ParametersInterceptor - [setParameters]: Unexpected Exception caught setting 'button.regi ster' on 'class com.webapp.action.SignupAction: Error setting expression 'button.register' with value