Every second build I get about 100 errors saying "Access to
undefined property [temp | oldValue | destination]" (see
screenshot). The variables mentioned does not exist in my code and
is not referred to either. If I rebuild the project the errors
disappear, however if I rebuild again they're back. This is using
This only happens in two files among about 15 files which has
essentially the same function (defining different states). Any
suggestions on what may be wrong?