Fixed issue #504 - History: 'Object already exists!'.
Fixed issue #504 - History: 'Object already exists!'.

zammad/zammad,monotek/zammad,zammad/zammad,monotek/zammad,zammad/zammad,monotek/zammad,zammad/zammad,monotek/zammad,zammad/zammad,monotek/zammad,zammad/zammad,monotek/zammad