Estimados,
Me encuentro creando un datalist, pero al momento de implementar, alfresco me da el siguiente error:

He creado los siguientes archivos:
1. /opt/alfresco-community/tomcat/shared/classes/alfresco/extension/model/fikaDataListModel.xml
<?xml version="1.0" encoding="UTF-8"?>
<model name="fika:fikaDataListModel" xmlns="http://www.alfresco.org/model/dictionary/1.0">
<description>Tutorial Task Datalist Model</description>
<author>Sean Dumont</author>
<version>1.0</version>
<imports>
<import uri="http://www.alfresco.org/model/dictionary/1.0" prefix="d" />
<import uri="http://www.alfresco.org/model/content/1.0" prefix="cm" />
<import uri="http://www.alfresco.org/model/datalist/1.0" prefix="dl" />
</imports>
<namespaces>
<namespace uri="www.arkavia.com/datalist/1.0" prefix="fika" />
</namespaces>
<types>
<type name="fika:fikatasklist">
<title>Fika Task List</title>
<parent>dl:dataListItem</parent>
<properties>
<property name="fika:startDate">
<title>Task Start Date</title>
<type>d:date</type>
</property>
<property name="fika:dueDate">
<title>Task Due Date</title>
<type>d:date</type>
</property>
<property name="fika:taskComments">
<title>Comments</title>
<type>d:text</type>
</property>
</properties>
<associations>
<association name="fika:taskAssignee">
<title>Assignee</title>
<source>
<mandatory>false</mandatory>
<many>true</many>
</source>
<target>
<class>cm
erson</class>
<many>true</many>
</target>
</association>
</associations>
<overrides/>
<mandatory-aspects>
<aspect>fika:created</aspect>
<aspect>cm:titled</aspect>
<aspect>cm:attachable</aspect>
</mandatory-aspects>
</type>
</types>
<aspects>
<aspect name="fika:created">
<title>Task Submission Date</title>
<parent>cm:auditable</parent>
<overrides>
<property name="cm:created">
</property>
<property name="cm:creator">
</property>
</overrides>
</aspect>
</aspects>
</model>
2. /opt/alfresco-community/tomcat/shared/classes/alfresco/extension/fikaDataListModel-context.xml
<bean id="fikaDataListModel.dictionaryBootstrap" parent="dictionaryModelBootstrap" depends-on="dictionaryBootstrap">
<property name="models">
<list>
<value>/opt/alfresco-community/tomcat/shared/classes/alfresco/extension/model/fikaDataListModel.xml</value>
</list>
</property>
<property name="labels">
<list>
<value>/opt/alfresco-community/tomcat/shared/classes/alfresco/messages/fikaDataListModel</value>
</list>
</property>
</bean>
3. /opt/alfresco-community/tomcat/shared/classes/alfresco/messages/fikaDataListModel.properties
fika_fikaDataListModel.type.fika_fikatasklist.title=Fika Task List
fika_fikaDataListModel.type.fika_fikatasklist.description=A simple task list including title, description, start date, due date, assignee, comments, and attachments.
fika_fikaDataListModel.property.fika_startDate.title=Start Date
fika_fikaDataListModel.property.fika_dueDate.title=Due Date
fika_fikaDataListModel.property.fika_taskComments.title=Comments
fika_fikaDataListModel.association.fika_taskAssignee.title=Assignee
fika_fikaDataListModel.property.cm_creator.title=Task Submitter
4. share-config-custom.xml
<alfresco-config>
<!-- Task List Datalist Node -->
<config evaluator="node-type" condition="fika:fikatasklist">
<forms>
<form>
<field-visibility>
<show id="cm:title" />
<show id="cm:description" />
<show id="fika:startDate" />
<show id="fika:dueDate" />
<show id="fika:taskAssignee" />
<show id="fika:taskComments" />
<show id="cm:attachments" />
</field-visibility>
<edit-form template="/org/alfresco/components/data-lists/forms/dataitem.ftl" />
<appearance>
<field id="cm:title">
<control template="/org/alfresco/components/form/controls/textfield.ftl"/>
</field>
<field id="fika:taskComments">
<control template="/org/alfresco/components/form/controls/textarea.ftl"/>
</field>
<field id="cm:attachments">
<control>
<control-param name="startLocation">{doclib}</control-param>
</control>
</field>
</appearance>
</form>
</forms>
</config>
<!-- Task List Datalist Model -->
<config evaluator="model-type" condition="fika:fikatasklist">
<forms>
<form>
<field-visibility>
<show id="cm:title" />
<show id="cm:description" />
<show id="fika:startDate" />
<show id="fika:dueDate" />
<show id="fika:taskAssignee" />
<show id="fika:taskComments" />
<show id="cm:attachments" />
</field-visibility>
<create-form template="/org/alfresco/components/data-lists/forms/dataitem.ftl" />
<appearance>
<field id="cm:title">
<control template="/org/alfresco/components/form/controls/textfield.ftl"/>
</field>
<field id="fika:taskComments">
<control template="/org/alfresco/components/form/controls/textarea.ftl"/>
</field>
<field id="cm:attachments">
<control>
<control-param name="startLocation">{doclib}</control-param>
</control>
</field>
</appearance>
</form>
<form id="datagrid">
<field-visibility>
<show id="cm:title" />
<show id="cm:creator" />
<show id="cm:description" />
<show id="fika:startDate" />
<show id="fika:dueDate" />
<show id="fika:taskAssignee" />
<show id="fika:taskComments" />
<show id="cm:attachments" />
</field-visibility>
</form>
</forms>
</config>
</alfresco-config>
Por que me dará el error? que estoy haciendo mal?