Double-check that the DLC files were placed in the root directory and not inside a sub-folder named "DLC".
If your DLC package includes a "100% Save" or "All Unlocked" file: Copy the files from the DLC's SaveData folder. Paste them into the SaveGames location found in Step 1. monster black market v20160 dlc teamappl install
Copy these files and paste them into the main installation directory. Double-check that the DLC files were placed in