This is the error code: https://support.us.playstation.com/app/answers/detail/a_id/5111/~/ps4%3A-error-codes
| E-82000134 | Product voucher region does not match the account's region | This product or content is not available in your account's country/region. |
You might need to contact the PlayStation Support Team.
It sounds like your the Base game and the DLCs are not compatible because they are not from the same region.
