Caused by: java.lang.ClassCastException: org.ametys.core.ui.widgets.WidgetsManager cannot be cast to org.ametys.core.ui.AbstractClientSideExtensionPoint
at org.ametys.core.ui.ClientSideElementDependenciesManager.computeDependencies(ClientSideElementDependenciesManager.java:118)
at org.ametys.core.ui.ClientSideElementDependenciesManager.computeDependencies(ClientSideElementDependenciesManager.java:102)
at org.ametys.plugins.core.ui.WorkspaceGenerator.getElementsToSax(WorkspaceGenerator.java:225)
at org.ametys.plugins.core.ui.WorkspaceGenerator.doGenerate(WorkspaceGenerator.java:172)
... 54 more