@retro777
one things,, new report

my emulator.cfg is here

ikemen-go-nightly = "XINIT:/opt/retropie/supplementary/ikemen-go-nightly/ikemen-go.sh %ROM%"
ikemen-go = "XINIT:/opt/retropie/supplementary/ikemen-go/ikemen-go.sh %ROM%"
default = "ikemen-go-nightly"

and, run .mgn on emulation station,display this.

"No config found for system mugen"

Which place do i check and fix??

es_systems.cfg here

<system>
<name>mugen</name>
<fullname>M.U.G.E.N</fullname>
<path>/home/pi/RetroPie/roms/mugen</path>
<extension>.mgn</extension>
<command>/opt/retropie/supplementary/runcommand/runcommand.sh 0 PORT mugen %ROM%</command>
<platform>pc</platform>
<theme>mugen</theme>
</system>