Pourl Can you show us your Giv log please?
OK, found your details, looks like we set the battery reserve percentage correctly to 20% and it succeeded.
See:
So it might not be you, me, but it might be Giv! 🤣
Might still be good to understand from your Giv logs if something else caused it to be overwritten after we set the export/discharge instruction at around 17:21.