Blocker Container menu JS is declared with invalid JS class
<extension id="org.ametys.odf.container.AddContainer"
point="org.ametys.core.ui.RibbonControlsManager"
class="org.ametys.core.ui.SimpleMenu">
<!--
This menu allows to add a container under selected container
-->
<class name="org.ametys.plugins.contentstree.ui.AddContentToCurrentSelectionClientSideElement">
<label i18n="true">PLUGINS_ODF_TREE_CONTAINER_ADD_LABEL</label>
<description i18n="true">PLUGINS_ODF_TREE_CONTAINER_ADD_DESCRIPTION</description>
</class>
<menu-items>
<item ref="org.ametys.odf.container.AddContainer.create" primaryItem="true"/>
<item ref="org.ametys.odf.container.AddContainer.search"/>
</menu-items>
<right>ODF_Rights_Container_Add</right>
</extension>
With pilotage plugin this menu is deactivated so we do not have the error
