Caused by: java.lang.NullPointerException
at org.ametys.plugins.survey.generators.SurveyStatisticsGenerator.getValueMap(SurveyStatisticsGenerator.java:388)
at org.ametys.plugins.survey.generators.SurveyStatisticsGenerator.dispatchStats(SurveyStatisticsGenerator.java:170)
at org.ametys.plugins.survey.generators.SurveyStatisticsGenerator.generate(SurveyStatisticsGenerator.java:91)
at org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.processXMLPipeline(AbstractProcessingPipeline.java:579)
... 65 more
From 1.2.0 version, the questions could not be modified anymore (except the labels) after validation of the survey.