Crash page accueil refresh progress bar: Could not find declared field with name 'niveau'

"APP_VERSION_CODE": 67, "APP_VERSION_NAME": "4.6", certains utilisateurs semblent avoir ce pb:

ACRA-report_2019-06-14-pp.stacktrace

java.lang.RuntimeException: Could not create RuntimeExcepitionDao for class class fr.ffessm.doris.android.datamodel.Fiche
	at com.j256.ormlite.android.apptools.OrmLiteSqliteOpenHelper.getRuntimeExceptionDao(OrmLiteSqliteOpenHelper.java:298)
	at fr.ffessm.doris.android.datamodel.OrmLiteDBHelper.getFicheDao(OrmLiteDBHelper.java:188)
	at fr.ffessm.doris.android.tools.Fiches_Outils.getNbFichesZoneGeo(Fiches_Outils.java:111)
	at fr.ffessm.doris.android.activities.EtatModeHorsLigne_CustomViewActivity.updateProgressBarZone(EtatModeHorsLigne_CustomViewActivity.java:540)
	at fr.ffessm.doris.android.activities.Accueil_CustomViewActivity.updateProgressBarZone(Accueil_CustomViewActivity.java:557)
	at fr.ffessm.doris.android.activities.Accueil_CustomViewActivity.refreshScreenData(Accueil_CustomViewActivity.java:768)
	at fr.ffessm.doris.android.activities.Accueil_CustomViewActivity$1.handleMessage(Accueil_CustomViewActivity.java:169)
	at android.os.Handler.dispatchMessage(Handler.java:102)
	at android.os.Looper.loop(Looper.java:145)
	at android.app.ActivityThread.main(ActivityThread.java:5938)
	at java.lang.reflect.Method.invoke(Native Method)
	at java.lang.reflect.Method.invoke(Method.java:372)
	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1400)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1195)
Caused by: java.sql.SQLException: Could not find declared field with name 'niveau' for class fr.ffessm.doris.android.datamodel.Classification
	at com.j256.ormlite.table.DatabaseTableConfig.convertFieldConfigs(DatabaseTableConfig.java:242)
	at com.j256.ormlite.table.DatabaseTableConfig.extractFieldTypes(DatabaseTableConfig.java:101)
	at com.j256.ormlite.dao.BaseDaoImpl.initialize(BaseDaoImpl.java:151)
	at com.j256.ormlite.dao.BaseDaoImpl.<init>(BaseDaoImpl.java:126)
	at com.j256.ormlite.dao.BaseDaoImpl.<init>(BaseDaoImpl.java:117)
	at com.j256.ormlite.dao.BaseDaoImpl$5.<init>(BaseDaoImpl.java:919)
	at com.j256.ormlite.dao.BaseDaoImpl.createDao(BaseDaoImpl.java:919)
	at com.j256.ormlite.dao.DaoManager.createDao(DaoManager.java:72)
	at com.j256.ormlite.field.FieldType.configDaoInformation(FieldType.java:341)
	at com.j256.ormlite.dao.BaseDaoImpl.initialize(BaseDaoImpl.java:200)
	at com.j256.ormlite.dao.BaseDaoImpl.<init>(BaseDaoImpl.java:126)
	at com.j256.ormlite.dao.BaseDaoImpl.<init>(BaseDaoImpl.java:117)
	at com.j256.ormlite.dao.BaseDaoImpl$5.<init>(BaseDaoImpl.java:919)
	at com.j256.ormlite.dao.BaseDaoImpl.createDao(BaseDaoImpl.java:919)
	at com.j256.ormlite.dao.DaoManager.createDao(DaoManager.java:72)
	at