SAP Message 3G259 - There is no PPOIX entry for the PPOPX entry PERNR &1 and SEQNR &2

Diagnosis
The selected line items have been formed using retroactive accountingdata. An error has occurred when importing the data for the period usedin the retroactive accounting run. There are entries in table PPOPX,however, there is no live run.

System Response
The structure of these lines cannot be displayed.