2459758 - Project import fails with message "Actual data cannot be changed"

Importing a project from an XML file or from MS Project to Project Management fails with error message "Task XYZ has not been released: Actual data cannot be changed".

SAP Portfolio and Project Management (PPM)

DPR_TASK022, DPR_TASK 022, confirmation, actual start, actual finish, percent completion, percentage of completion, confirmed work, remaining work, xml file, microsoft project, msp, mpp file, "Error during import; import process terminated. Close the window, correct the errors, and try again", migrate, migration, upload, remaining work, actual work unit, actual work, remaining_work, actual_work_unit, actual_work , KBA , PPM-PRO , Project Management , Problem