Solution : https://service.sap.com/sap/support/notes/495269 (SAP Service marketplace login required)
Key words :
substitution validation mass change bapi batch input, terms validation, project system, wbs elements, network activities, objects takes, substitution, long runtime, performance reason, single object
Related Notes :
| 548218 | Bad performance during substitution/mass change/BAPI/ |
| 536461 | Composite SAP Note on validation / substitution in PS |
| 518674 | Termination CONVERT_NO_NUMBER in SAPLPSSV_CHECK |
| 494487 | Project System: Consulting notes |