Solution : https://service.sap.com/sap/support/notes/392507 (SAP Service marketplace login required)
Key words :
attached program correction, selected target activity, activity elements, implemented notes 387859, support package, terms cj2b, cj20n reason, wbs element, current project, external relationship
Related Notes :
487565 | CJV2:Network number is incorrct on detail screen of activity |
435127 | Error when changing the simulation |
390972 | MESSAGE_TYPE_X after Note 387859 and subnetwork |
387859 | CJ2B: ERROR_READ_AFVG with navigation to activity |