An error occurs when inverting prod="3,4" by prod="4,3" in :
ERROR 2014-11-03 04:00:09,924 [ch.epfl.codimsd.qeef.QueryManagerImpl:394] - Error while executing the request : null
ch.epfl.codimsd.exceptions.CodimsException: Error while executing the request : null
at ch.epfl.codimsd.qeef.QueryManager.executeLocalRequest(QueryManager.java:282)
at ch.epfl.codimsd.qeef.QueryManager.executeRequest(QueryManager.java:163)
at ch.epfl.codimsd.qeef.QueryManagerImpl.executeNTimes(QueryManagerImpl.java:259)
at ch.epfl.codimsd.qeef.QueryManagerImpl.main(QueryManagerImpl.java:384)
An error occurs when inverting prod="3,4" by prod="4,3" in :