Actually Lidl (or the mother company Schwarz Group to be more precise) tried to implement SAP and could not get it to work. So after burning more than 500 Mio. Euro they oficially quit with SAP in 2018 and decided to invest a lot in their own systems, both infrastructure and software. So in 2021 they bought XM Cyber, a cloud security specialist company from Israel and guess who is a big client of this company that is now owned by the Schwarz Group: SAP