Post your db2-version, fixpack, operating-sytem.
In your test data there is an extra space between the year and hour on the third line and so the data does not match the format "M/D/YYYY H:MMS" (so that line is rejected while the other lines correctly import).
Choose a format and ensure the data matches that format...
Alternative approaches exist, some preprocessing is possible with ingest, or preprocess before import, or postprocess after import.
as doc indicates
M Month (one or two digits ranging from 1 - 12)
MM Month (two digits ranging from 01 - 12; mutually exclusive with M
if MM always 2 digits expected - with M leading zero is not expected
Best Regards, Guy Przytula
Database Software Consultant
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