Problem Description:
While creating Vertical Alignment by using quick alignment method, it throws an error as shown below.
Workaround:
Copy VertEdit_Metric.ini, VertEdit_Imperial.ini & VetEdit_Metric.ini.txt to C:\ProgramFiles (x86)\Bentley\MX V8i (SELECTSeries 3)\MX\MFW\IN_sys. (Path for me)
Note: If you are unable to search those files at your system then use below link, there you will see zip file (Name :VertEdit_Imperial&VertEdit_Metric) you can copy those file to above path.
http://communities.bentley.com/products/road___site_design/m/road_and_site_design_gallery/default.aspx