Please Merapi support help me with this.

Hi, i have this problem with my merapi tool, please help me.
Volcano tool works fine with latest version.
Already run bat file for clean registry.

10:20:31 > Merapi Updated: 2015-12-01
10:20:31 > Connecting…
10:20:33 > Connection successful,connected state!
10:20:33 > Version: V3.8
10:20:33 > SN: 202-686-166
10:21:36 > Connecting to server…
10:21:43 > Connecting to server…OK!
10:21:43 > Getting function information from server…
10:21:46 > Getting function information from server…OK!
10:22:39 > Access to functional permissions from server…
10:22:42 > Invalid device number.
10:22:51 > Access to functional permissions from server…
10:22:54 > Invalid device number.

Please help me with this, i really need work with my tool. :confused: