Keith, not sure how much C++ programming experience you have so sorry if you already know this, but the exact text "bad allocation" was printed because part of the system standard library (not Factorio) threw an exception called `std::bad_alloc` (you can google this). The words "bad a...

Game crashed about 10 minutes after updating to 2.0.22, crash was spurious (trying to save the attached save file does not crash the game). The failed assertion text was `LogisticSection.cpp:72: this->filters.empty() || !output.savingBlueprint || this->filters.back() was not true`. Relevant log snip...