Solution : https://service.sap.com/sap/support/notes/435127 (SAP Service marketplace login required)
Key words :
system generates message co888, activity detail screens, attached program correction, system displays, activity data, program error, network assignments, network number, network activities, project transfer
Related Notes :
487565 | CJV2:Network number is incorrct on detail screen of activity |
392507 | CJ2B: Created objects are assigned incorrectly |