A scheduled server switch-off for the versions of the game are not affected.
The support message continues: "Sadly this may come as an inconvenience to some of you and if so we truly do understand and can feel for how upsetting this may seem as there always is a special bond that occurs between a player and their MyCareer save but all good things must come to an end and rest assured your MyCareer or MyGM went out while on top!"