Due to a routine maintenance update, the ERP and document management systems (SAP and d.velop) will be unavailable on Thursday, April 16, 2026, from 4:00 p.m. (d.velop) and 6:30 p.m. (SAP) until approximately 9:30 p.m. This affects, among other things, electronic SHK/WHK submissions, electronic invoice verification and approval via ClassifierWeb, and the Fiori applications for absence management.