Guild Wars 2

i search it almost everyday in the last week but i always find all three items in the map but i receive the same messagge for them all, i i’m sure that i’ve already pick them all once ’caude before the last update i was 4of6 in the achievement track, and i found both last item last week but i scored only one point instead of 2, i evem check the map guesting on other server but same thing happen

i have a problem that unable me to finish the schievement
i need the last snow covered item for finish the title but when i try to pick up the item i receive a message that says that i already have pick and delivered the refugee’s compass the one that belong to cravia. how can i finish my achievement? i check all three item of wayfarer foothill but the message is always the same