Rekordbox crashing on startup - unexpected error

To all the people out there reporting their REKORDBOX crashing right after startup with an unexpected error - i have just managed to solve this deleting only DDJ-400.midi.csv from the C:\Users\Username\AppData\Roaming\Pioneer\rekordbox folder.

Hopefully this can help pioneer sort out the issue but also be of assistance to peopel searching for a solution to the same issue.