Approval Email notification cannot send out to the members of a group . For diagnosing purpose , in a request detail page , click "Email" button trying to send a request email to an individual contact or a group (which this individual contact belongs to) to test :
1) in "TO" field , input the individual contact's userid , it is able to resolve to the correct email address of this contact , so the request email can be sent out accordingly
2) However , in "TO" field , input the group name that this contact belongs to , it is somehow not able to resolve to the email address of each individual contact in the group as it is supposed to and it gets the error message
When inputting the contact's userid in "TO" field , service catalog identifies it as a indivual contact and then it will get the contact's email address from ca_contact table in MDB database .
However , when inputting the group name in "TO" field , service catalog identifies it as a group , and then it will query EEM about the membership information of this group and get each member's email address from EEM instead of the ca_contact table here . So , if the contact doesn't have correct email address also in EEM , catalog will not able to get the contact's correct email from EEM and therefore cannot resolve the group name to its member's email address accordingly in "TO" field .
Check and Make sure the contact has the correct email address information in EEM also : login EEM UI as EiamAdmin , go to Manage Identities -> Users -> search and locate the contact , and make sure sure it has the correct email address there .