Failed to login PE workflow system configuration management on WAS8

When right click "workflow system " from ACCE, got above error.  On websphere 8x , there are a few configurations need to do http://www-01.ibm.com/support/knowledgecenter/SSNW2F_5.2.1/com.ibm.p8.install.doc/p8pup728.htm?lang=en-us