Solution : https://service.sap.com/sap/support/notes/1383843 (SAP Service marketplace login required)
Key words :
basis release 620 support package 67basis release 640 support package 25import, br tools version higher, relevant support package, connect external abap systems, scheduled actions correctly, manage sap systems, sap basis 620, attached correction instructions, support packages, external system
Related Notes :
1025707 | DBA Cockpit: Planning calendar and remote Oracle databases |
968820 | DBA Cockpit planning calendar: External ABAP systems 620/640 |