Following Datacare integrity check we got this message. You will realise that there are 3375 of them.

We did the rebuild and it has advised us that we need to correct these manually. Not that I am willing to do manual corrections on 3375 items, but I am interested in knowing why the problem is occuring and what can be done to correct it or avoid it.

Receipt RECR24 has non-existing item LOCP#SODA#1009.
Receipt RECR28 has non-existing item PROD#CUCU#1006.
Receipt RECR29 has non-existing item PROD#ONIO#1001.
Receipt RECR29 has non-existing item PROD#TOMA#1007.
Receipt RECR30 has non-existing item SAUS#BRKF#10041.
Receipt RECR30 has non-existing item VEAL#LEGS#1002.
Receipt RECR40 has non-existing item LOCP#BRED#1023.
Receipt RECR40 has non-existing item LOCP#BRED#1026.
Receipt RECR40 has non-existing item LOCP#BRED#1006.
Receipt RECR42 has non-existing item LOCP#FLOR#1002.
Receipt Headers ... 3375 error(s) found
Bill Of Materials ... Checked OK