Please follow these instructions exactly and you shouldn't have any problems:
First thing, make sure your MyTrainz account that has actually purchased the content is being used. You can enter your MyTrainz account under the Trainz Settings -> Internet tab found in the launcher. If you are certain of this then continue with STEP 1.
STEP 1:
STEP 2:
Navigate to the PACKAGE folder under your unique userdata directory and any of the sc427 folders you have in that directory delete. Doesn't matter if you don't have all of them just delete what you have.
STEP 3:
STEP 4:
At this point restart Trainz completely (shutdown the launcher and any open windows).
Once Trainz starts again go to Run TrainzUtil Command...
STEP 5:
Then type in "repairdatabase extended" and click ok.
Wait for this to finish.
STEP 6:
No click "Download Purchased Items" and then "Start Trainz".
STEP 7:
When the Routes Menu loads you should get a "Asset Download" window show with several "
Andrushivka - Vinnitsa UZ" files to download (Part 1 through to Part 6).
Click on them and click download for each.
Make sure they all download without any errors.
Once they have all fully downloaded and completed installation you will have the correct content installed for this route and it should be error free.
If you run into any issues please send over a picture of your Package Folder after you have followed all these steps.