ODST achievement not unlocking

Games Halo: The Master Chief Collection
1

I cant seem to get the achievement for getting all the 30th audiologs in ODST on MCC. Is this a common problem or is it just me?

2

From your service record, seems like you’re missing the 15th one.
This thread may help you find a solution.

3

> 2533274871396905;2:
> From your service record, seems like you’re missing the 15th one.
> This thread may help you.

But how is this possible xD . I have collected them all on my legendary playtrough
Probebly just a bug then?