DSO Activation failure due to space issue

Hi Friends,

When I'm activating DSO I'm getting below error.

After getting the error I looked at PSA data for infoobject ZPODSIG , this object basically havce name in it, so it have few fields with blank for example

S MACK. I gave the  below special characters along with the space in RSKC but still i'm not able to resolve the issue please suggest.

#!@"%&''()*+,-./:;<=>#_0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZG

Appreciate your help

thanks in advance