FORCED Subtitle in MKV not ENABLED as DEFAULT and need to enable it manually. BUG ?

i have this MKV File:   Code: General Unique ID                                : 127302943057475528387477363115254463745 (0x5FC5A7AE5CA5CF318EC30401BAC9BD01) Complete name                            : /home/diabolik/Video/testing.mkv Format                                   : Matroska Format version                           : Version 4...

Trakt link

I believe I am in the right area, is it known that the Trakt Add-on is not working properly? A blue screen pops up briefly...