Scary Hunt Not Giving Me The Achievement

I found all of the scarecrows for the Halloween event and it isn't giving me the achievement. I double checked that it said 10/10 scarecrows and I don't have the achievement.

 

There is 90 of them I think, or was it 80?, 10/10 is one map, you need to find them all the maps that have the symbol.

 

I did all 10/10 on each map for all 8 maps that had the symbol