Solution : https://service.sap.com/sap/support/notes/573133 (SAP Service marketplace login required)
Key words :
system generate a-message co888, duplicate activity numbers exist, special system behavior 2, special system behavior2, project planning board, duplicate record, structure planning, symptom faq, terms cj20, ppb solution 1
Related Notes :
| 700700 | FAQ 1: Projektsystem FAQ Level 1 |
| 536500 | Composite SAP note on CO888 when calling network |
| 494487 | Project System: Consulting notes |
| 390224 | CO888 in CN22, CN23 when network is called up |
| 88699 | Termination message CO888: 'Internal error when creating ITA |