Erreur durant l'import/export de site au niveau des médias

com.kosmos.execution.StepExecutionException: Erreur durant l'exécution de l'étape com.kosmos.uas.execution.step.SiteReferenceComputerStep
	at com.kosmos.uas.execution.step.SiteReferenceComputerStep.execute(SiteReferenceComputerStep.java:40)
	at com.kosmos.execution.ExecutionHandler.process(ExecutionHandler.java:61)
	at com.kosmos.execution.ExecutionHandler.execute(ExecutionHandler.java:42)
	at com.kosmos.uas.task.DuplicateSiteUasTask.execute(DuplicateSiteUasTask.java:34)
	at com.kosmos.taskscheduler.bean.LockableTask.run(LockableTask.java:81)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: com.kosmos.usinesite.exception.ErreurReferenceException: Une erreur est survenue lors de la désérialisation du fichier "/media/travail/Storage/kdev6.8/conf/sites/uas/autreSite/duplicationEnCours/etudiantetalumniObjetAnnuaireanciensetudiants.json" : com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException: Unrecognized field "legende_with_condition" (class com.univ.objetspartages.bean.MediaBean), not marked as ignorable (26 known properties: "download_disposition", "auteur", "meta_keywords", "traduction_data", "copyright", "url_vignette", "url", "date_creation", "image_deco", "titre", "type_ressource", "format", "legende", "poids", "id", "description", "code_rubrique", "code_rattachement", "type_media", "id_media", "thematique", "code_redacteur", "is_mutualise", "specific_data", "source", "accessibility_data"])
 at [Source: (File); line: 142, column: 64] (through reference chain: java.util.HashMap["0013,code,0,0003"]->com.kportal.extension.module.bean.FicheBeanExport["medias"]->java.util.LinkedHashMap["552"]->com.univ.objetspartages.bean.MediaBean["legende_with_condition"])
	at com.kosmos.usinesite.execution.step.AbstractReferenceComputerStep.readBeansOrigin(AbstractReferenceComputerStep.java:132)
	at com.kosmos.usinesite.execution.step.AbstractReferenceComputerStep.processReferenceComputing(AbstractReferenceComputerStep.java:102)
	at com.kosmos.uas.execution.step.SiteReferenceComputerStep.execute(SiteReferenceComputerStep.java:37)
	... 7 common frames omitted