for example
<criteria system-ref="workflowStep" multiple="true">
whereas the workflow step system prop does not support multiple
and the widget become multiple and leads to an error when used
he value [1, 3] for criterion workflowStep is not a valid long value. java.lang.IllegalArgumentException: The value [1, 3] for criterion workflowStep is not a valid long value. at org.ametys.cms.search.systemprop.AbstractSystemProperty.parseLong(AbstractSystemProperty.java:469) at org.ametys.cms.search.systemprop.WorkflowStepSystemProperty.getQuery(WorkflowStepSystemProperty.java:95) at org.ametys.cms.search.ui.model.impl.SystemSearchUICriterion.getQuery(SystemSearchUICriterion.java:298) at org.ametys.cms.search.model.SearchCriterion.getQuery(SearchCriterion.java:114) at org.ametys.cms.search.QueryBuilder.getCriteriaQueries(QueryBuilder.java:519) at org.ametys.cms.search.QueryBuilder.build(QueryBuilder.java:157)