If your organization hosts NetCommunity and The Raiser's Edge:
Work with your IT department to pull the error logs within SQL for the NetCommunity.
If the following error is seen, request the IT department recycle the RE7Service application pools
Server was unable to process request. ---> Class does not support Automation or does not support expected interface    
Blackbaud NetCommunity Error - error loading constituent: Class does not support Automation or does not support expected interface

If Blackbaud hosts NetCommunity and The Raiser's Edge:
Click Chat with Support and reference this article. Please be prepared to share the following information with Support:
  • URL of the NetCommunity site
  • Steps to duplicate error
  • Username/password to access the NetCommunity site