User is unable to merge two customer records. Whenever the user tries to do this, the following error message appears: “An unexpected error has occurred.” The unexpected error may be caused by various reasons. As an initial fix, user can try the following as the alternate solution. Solution Login as Administrator Navigate to Lists > Relationships > Customers Duplicate Customer Record: Click Edit Actions… Continue reading Resolve Error: “An Unexpected Error Has Occurred.” on Duplicate Merge Page