two division in group of xxxx.xxx.com

i have to create a group with two division(xx,xx)
when i input xx,x,i get the following message
The Member List of Group "******" has sent to be built at the request of ******@cn.ibm.com.
0 Members (xxxx Deleted / 0 Added)
before doing it ,division xx have xxxx memeber.
what does "0 Members (xxxx Deleted / 0 Added)" mean?
when i input xx,x,i get the following message
The Member List of Group "******" has sent to be built at the request of ******@cn.ibm.com.
0 Members (xxxx Deleted / 0 Added)
before doing it ,division xx have xxxx memeber.
what does "0 Members (xxxx Deleted / 0 Added)" mean?