We recommend to always have the correct Country Kit installed on your Civil 3D. Country Kits are supplied for Sweden, Norway, Denmark and United Kingdom & Ireland (among others)

These country kits are supplied free of charge from Autodesks Download portal that can be found here: https://knowledge.autodesk.com/support/civil-3d/downloads

Find the country you require and the correct version of your product and follow the instructions on the page to complete your installation.