2639123 - Error message CJ727 when updating a WBS or Project Definition via a BAPI (or CNMASS or Project Definition Overview app)

• You use BAPI_BUS2054_CHANGE_MULTI or BAPI_PROJECT_MAINTAIN to update a WBS or Project Definition
• You use CNMASS to update a WBS or Project Definition
• You try to change a project via Project Definition Overview app

and receive information message CJ726 and error message CJ727, for example:

• CJ726 "No field attributes flagged for field PRPS-POSID_EDIT -> CJCK_PR*_FIELD_ATTR_INIT"
• CJ727 "Field WBS_ELEMENT_EDIT/WBS Element: Changing the contents of the field is not permitted"

• SAP ERP Project System (PS)
• SAP S/4HANA, on-premise

CJ 726, CJ 727, R_FILL_POSID_PSPID_EDIT,  projs-pspid_edit,  vsproj_cn-pspid_edit,  prpss-posid_edit,  vsprps_cn-posid_edit , KBA , PS-ST-WBS , Work Breakdown Structure , PS-ST-DEF , Project Definition , Problem