this should work

front/src/view/AllToucanPage/AllToucanPage.js

@@ -54,7 +54,7 @@ function AllToucan(props){
 					console.log(formToucanUrlId(toucan))
 					return <ToucanCard
 					image={`${props.backURL}/toucan/img/${toucan["_id"]}`}
-					link={`${props.backURL}/toucan/pdf/${toucan.title}+`}
+					link={`${props.backURL}/toucan/pdf/${formToucanUrlId(toucan)}+`}
 					header={toucan.title}
 					toucanId={toucan._id}
 					isAdmin={props.isAdmin}