Get Error when I try to store a file in Alfresco 5.0 or create a directory using Soap Service

I am new to Bonitasoft, I've created a SOAP web services that I tested before and it's working.
This is the configuration's parameters in Bonita connector Soap Web Services
** I'm using Bonita 7.2 and Alfresco 5.0 **

Form Configuration

The form have only a TextField and Button for calling web service and creating a Directory in Alfresco.
output operator : folderName Task value of : field_foldername

This is the connector configuration "Soap Web service"

Service NS : ttp://localhost:8080/integracionecm/ecm-ws
Service name : IntegracionECMService

SOAP action :
http://ecm-ws.com.pe/IntegracionECMImpl/createDocumentRequest

port name : IntegracionECMPort
end point address : http://localhost:8080/integracionecm/ecm-ws
binding : http://schemas.xmlsoap.org/soap/http
http://www.w3.org/2003/05/soap/bindings/HTTP/

envelope :
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ecm="http://ecm-ws.com.pe">
<soapenv:Header/>
<soapenv:Body>
<ecm:createDirectory>
<folderName>/feeeeee</folderName>
</ecm:createDirectory>
</soapenv:Body>
</soapenv:Envelope>

** An error ocurred when I try to create a directory in Alfresco**

**GRAVE: THREAD_ID=122 | HOSTNAME=DESKTOP-F90L23S | TENANT_ID=1 | The work [ExecuteConnectorOfActivity: flowNodeInstanceId = 20007, connectorDefinitionName = wsCreateDirectory] failed. The failure will be handled.
2015-11-05 16:30:14.754 -0500 org.bonitasoft.engine.execution.work.FailureHandlingBonitaWork org.bonitasoft.engine.log.technical.TechnicalLoggerSLF4JImpl log 
GRAVE: THREAD_ID=122 | HOSTNAME=DESKTOP-F90L23S | TENANT_ID=1 | org.bonitasoft.engine.core.connector.exception.SConnectorException : "PROCESS_DEFINITION_ID=6155796649811596649 | PROCESS_NAME=createDirectory | PROCESS_VERSION=1.0 | PROCESS_INSTANCE_ID=1003 | ROOT_PROCESS_INSTANCE_ID=1003 | FLOW_NODE_DEFINITION_ID=6066836410177475766 | FLOW_NODE_INSTANCE_ID=20007 | FLOW_NODE_NAME=Step1 | CONNECTOR_DEFINITION_IMPLEMENTATION_CLASS_NAME=wsCreateDirectory | CONNECTOR_INSTANCE_ID=20003 | org.bonitasoft.engine.connector.exception.SConnectorException: java.util.concurrent.ExecutionException: java.lang.ClassCastException: java.lang.String cannot be cast to java.util.List"
org.bonitasoft.engine.core.connector.exception.SConnectorException: PROCESS_DEFINITION_ID=6155796649811596649 | PROCESS_NAME=createDirectory | PROCESS_VERSION=1.0 | PROCESS_INSTANCE_ID=1003 | ROOT_PROCESS_INSTANCE_ID=1003 | FLOW_NODE_DEFINITION_ID=6066836410177475766 | FLOW_NODE_INSTANCE_ID=20007 | FLOW_NODE_NAME=Step1 | CONNECTOR_DEFINITION_IMPLEMENTATION_CLASS_NAME=wsCreateDirectory | CONNECTOR_INSTANCE_ID=20003 | org.bonitasoft.engine.connector.exception.SConnectorException: java.util.concurrent.ExecutionException: java.lang.ClassCastException: java.lang.String cannot be cast to java.util.List
    at org.bonitasoft.engine.core.connector.impl.ConnectorServiceImpl.executeConnectorInClassloader(ConnectorServiceImpl.java:325)
    at org.bonitasoft.engine.core.connector.impl.ConnectorServiceImpl.executeConnector(ConnectorServiceImpl.java:143)
    at org.bonitasoft.engine.connector.ConnectorServiceDecorator.executeConnector(ConnectorServiceDecorator.java:111)
    at org.bonitasoft.engine.execution.work.ExecuteConnectorWork.work(ExecuteConnectorWork.java:131)
    at org.bonitasoft.engine.execution.work.failurewrapping.TxInHandleFailureWrappingWork.work(TxInHandleFailureWrappingWork.java:42)
    at org.bonitasoft.engine.execution.work.failurewrapping.TxInHandleFailureWrappingWork.work(TxInHandleFailureWrappingWork.java:42)
    at org.bonitasoft.engine.execution.work.failurewrapping.TxInHandleFailureWrappingWork.work(TxInHandleFailureWrappingWork.java:42)
    at org.bonitasoft.engine.execution.work.failurewrapping.TxInHandleFailureWrappingWork.work(TxInHandleFailureWrappingWork.java:42)
    at org.bonitasoft.engine.execution.work.FailureHandlingBonitaWork.work(FailureHandlingBonitaWork.java:66)
    at org.bonitasoft.engine.work.BonitaWork.run(BonitaWork.java:56)
    at org.bonitasoft.engine.work.SequenceRunnableExecutor.innerRun(SequenceRunnableExecutor.java:47)
    at org.bonitasoft.engine.work.BonitaRunnable.run(BonitaRunnable.java:35)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
Caused by: org.bonitasoft.engine.connector.exception.SConnectorException: java.util.concurrent.ExecutionException: java.lang.ClassCastException: java.lang.String cannot be cast to java.util.List
    at org.bonitasoft.engine.connector.impl.ConnectorExecutorImpl.execute(ConnectorExecutorImpl.java:128)
    at org.bonitasoft.engine.core.connector.impl.ConnectorServiceImpl.executeConnectorInClassloader(ConnectorServiceImpl.java:317)
    ... 14 more
Caused by: java.util.concurrent.ExecutionException: java.lang.ClassCastException: java.lang.String cannot be cast to java.util.List
    at java.util.concurrent.FutureTask.report(FutureTask.java:122)
    at java.util.concurrent.FutureTask.get(FutureTask.java:192)
    at org.bonitasoft.engine.connector.impl.ConnectorExecutorImpl.getValue(ConnectorExecutorImpl.java:152)
    at org.bonitasoft.engine.connector.impl.ConnectorExecutorImpl.execute(ConnectorExecutorImpl.java:122)
    ... 15 more
Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to java.util.List
    at org.bonitasoft.connectors.ws.cxf.SecureWSConnector.executeBusinessLogic(SecureWSConnector.java:164)
    at org.bonitasoft.engine.connector.AbstractConnector.execute(AbstractConnector.java:77)
    at org.bonitasoft.engine.core.connector.impl.SConnectorAdapter.execute(SConnectorAdapter.java:69)
    at org.bonitasoft.engine.connector.impl.ConnectorExecutorImpl$ExecuteConnectorCallable.call(ConnectorExecutorImpl.java:208)
    at org.bonitasoft.engine.connector.impl.ConnectorExecutorImpl$ExecuteConnectorCallable.call(ConnectorExecutorImpl.java:179)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    ... 3 more**

**Can someone help me in resolving this error. I really appreciate thanks in advance **