[MM-57877] Fix issue #26841 (#26956)

* Add new error message

* make i18n-extract

---------

Co-authored-by: Mattermost Build <build@mattermost.com>
Co-authored-by: Harrison Healey <harrisonmhealey@gmail.com>

server/channels/api4/team_test.go

@@ -48,7 +48,7 @@ func TestCreateTeam(t *testing.T) {
 
 		rteam.Id = ""
 		_, resp, err = client.CreateTeam(context.Background(), rteam)
-		CheckErrorID(t, err, "app.team.save.existing.app_error")
+		CheckErrorID(t, err, "store.sql_team.save_team.existing.app_error")
 		CheckBadRequestStatus(t, resp)
 
 		rteam.Name = ""