Redmine

All you have to do to reproduce this bug is to import the following csv file. In the import form, just match Subject with Subject column and chose Tracker -> Feature.

"Subject","Start_Date" 
"Test1 test","9/7/2016" 
"Test2 • test","9/7/2016" 

The only clue available to what did fail is the following console message, which is not to much to get going:

POST http://localhost:3000/imports/36ed0f56e6db80daaaf6dfec4042eb93/run.js 500 (Internal Server Error)

I had to trim down my csv file until I managed to exclude the error, and it looks like the bullet character is the cullprit. Maybe other UTF characters have the same issues, I didn't test.