While using knob values increase by 50/70 instead of 5/10

[Sarvesh Prabhugaonkar]

Lightroom Version: CC 8.2.1

Midi2lr version:3.0.2.0

Controller: Behringer x touch mini

Hi, all is fine except while using knob, values increase by 50/70 instead of 5/10 for exposure or shadows, vibrance etc. 
Happens most of the time. This started happening recently. Plz help

Thanks

[Sarvesh Prabhugaonkar]

OS version is Mojave 10.14.4