Well after 9.14 it starting working.
You cannot Mix your Cards on GPUGrid with this Beta Version.
You can only Run them on Pascal Cards.
My Config File
<app_config>
<app>
<name>acemdshort</name>
<gpu_versions>
<gpu_usage>0.5</gpu_usage>
<cpu_usage>1.0</cpu_usage>
</gpu_versions>
</app>
</app_config>