In 2018 and in an ongoing courtroom fight, Teradata accused SAP of IP theft and fraudulent behaviour.[eighty two][eighty three] In 2021, during the German weekly information magazine Der Spiegel, further claims had been manufactured from questionable behaviour with regards to SAP's funding of researchers on the University of Mannheim - https://www.ecom-group.com/training-events/sap-retail-overview-of-functions-in-sap-s-4hana-retail-s4irt/