Fixed issue #1153 - Using Zendesk basic priority feature breakes import.
Fixed issue #1153 - Using Zendesk basic priority feature breakes import.

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