negative charge power no longer supported

I have an old Model S with rather high phantom drain. To have ABRP dealing with that I used to set a small negative charge power at destinations i spend some time without actually charging. In earlier versions ABRP correctly calculated the loss. In this version a positive value is used and it does not seam related to the negative value I set:

Even if ABRP would simply omit the sign it should add 9kWh (excluding losses), roughly 12%, not 60%. So I suspect an integer overflow…