3815241 - Error: "We encountered an issue that prevented us from completing your request." when clicking on "Get price" during a ticket change.

When a user clicks on "Get price" during ticket change, the following error message appears:
"We're sorry...
We encountered an issue that prevented us from completing your request.
We have encountered an internal error and are unable to complete this request. Please contact your company administrator to report this error, and contact your travel agency if you need immediate assistance with this reservation.
All reservations made so far have been retained."

Error when trying to get a price during a ticket change. Amadeus GDS only. , KBA , CON-SRV-TRV-ADM-LAN , View Airlines , CON-SRV-TRV-ADM-AMA , Test Amadeus , Problem