com.lge.hiddenmenu has sttoped

hello

i have this room:

http://ift.tt/UMGdWN

my phone is d802

I try to enter a number:

3845#*802#

and to enter : MLT TEST

and I get the message:

com.lge.hiddenmenu has sttoped



what can ן do?

from xda-developers http://ift.tt/1DA5qrX

via IFTTT