B4J Question Logging B4j stops after startup

[MbedAndroid]

Might be some setting, but i cant find it.
Suddely my historyscreen where you can follow all logs during programflow, stops after startup program. And nothing during flow.
Sure i did something but how to get this logdump back?

 

[MbedAndroid]

seems to be something in the build, a new scratch works....

 

[MbedAndroid]

found it , was this line
ABMShared.RedirectOutput(File.DirApp, "logs.txt")