yes, there exists a mwl_item with the same ID as returned from MPPS.
the mpps table gets updated with values. The only thing I can understand is MPPS doesnt contain a issuer of patient id tag. But I have seen that mpps updates works without issuer of patient id tag with Dvtk.
Attached is the sample NCREATE xml ( not for the same accession#) from the modality....
I don't see any errors in the log files....