Hildegard was one of the first persons for whom the Roman canonization process was officially applied .
The process took so long that four attempts at canonization were not completed and one remained at the level of one 's 's beatification .
Hildegard was one of the first persons for whom the Roman canonization process was officially applied , but the process took so long that four attempts at canonization were not completed and she remained at the level of her beatification .