. I’m leaning toward operating without any phone but I have my morning commute locked in. It might not be wise to journey on your own with no cellphone. SAP released ERP Central Element (ECC) in 2004. This might be the predecessor to the organization's current core presenting, SAP S/4HANA. https://onlybookmarkings.com/story20252163/not-known-details-about-sap-successfactors-thr80