https://userapps.support.sap.com/sap/support/knowledge/en/3135878
3135878 - Unable to find suitable BRFplus files in order to setup S4HANA output management | SAP...
It is required to setup S4HANA output management in your system while you are unable to find the suitable BRFplus files from note 2248229 - SAP S/4HANA output...