When creating a new ticket and try to associate it to a parent and then save the changes, the following error message might appear:
"Error- AHD05999:Parent ticket type is not same as current ticket type"
In addition, when creating a new ticket by copying the ticket from "Copy" option in the ticket's menu, and then setting the parent ticket, the following message might appear:
"Error 1 attempting to set parent to "cr:XXXXXXX": No message available"
CA Service Desk Manager (CA SDM) 14.1 cum4 / 17.x
The product behavior was changed to not allow any type of relationship. Out of the box it can associate child incidents to a request (by creating them from the request itself), but it cannot manually create the relationship or reverse it.