When setting "null" profile.
Unable to retrieve the type of the data 'defaultProfile'. No compatible type have been found.
org.ametys.runtime.model.exception.UnknownTypeException: Unable to retrieve the type of the data 'defaultProfile'. No compatible type have been found. 
    at org.ametys.plugins.repository.data.holder.impl.DefaultModifiableModelLessDataHolder.setValue(DefaultModifiableModelLessDataHolder.java:226) 
    at org.ametys.plugins.repository.data.ametysobject.ModifiableModelLessDataAwareAmetysObject.setValue(ModifiableModelLessDataAwareAmetysObject.java:59) 
    at org.ametys.plugins.workspaces.project.objects.Project.setDefaultProfile(Project.java:501) 
    at org.ametys.plugins.workspaces.project.ProjectManager.editProject(ProjectManager.java:936) 
    at org.ametys.plugins.workspaces.project.ProjectManager.editProject(ProjectManager.java:901) 
Other error the description empty and keep empty, we try to remove an unexisting value
No data found for 'ametys:description' in repository data at path '/ametys:root/ametys:plugins/workspaces/projects/categorie-1/projet-c'.
org.ametys.plugins.repository.data.UnknownDataException: No data found for 'ametys:description' in repository data at path '/ametys:root/ametys:plugins/workspaces/projects/categorie-1/projet-c'. 
    at org.ametys.plugins.repository.data.repositorydata.impl.JCRRepositoryData.removeValue(JCRRepositoryData.java:775) 
    at org.ametys.plugins.repository.data.repositorydata.ModifiableRepositoryData.removeValue(ModifiableRepositoryData.java:260) 
    at org.ametys.plugins.repository.data.holder.impl.DefaultModifiableModelLessDataHolder.removeValue(DefaultModifiableModelLessDataHolder.java:293) 
    at org.ametys.plugins.repository.data.ametysobject.ModifiableModelLessDataAwareAmetysObject.removeValue(ModifiableModelLessDataAwareAmetysObject.java:69) 
    at org.ametys.plugins.workspaces.project.objects.Project.removeDescription(Project.java:190) 
    at org.ametys.plugins.workspaces.project.ProjectManager.editProject(ProjectManager.java:923) 
    at org.ametys.plugins.workspaces.project.ProjectManager.editProject(ProjectManager.java:901)