0HR_PY_1 extractor is not runnig with delta mode

Actually, there are difference when the 0HR_PY_1 extractor is run in
init/delta mode or FULL mode. Please refer to the information provided
from our developer:
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In full mode, the status of this payroll records, which is maintained
for each payroll area in transaction PA03, is NOT considered at all.
This is different in init/delta runs. In this case, we the extractor
needs to decide, whether payroll results can be considered to be
final and are not being overwritten by new payroll runs for the
same period.
This means, as long as a certain payroll period is not closed for
a given payroll area, results which are already on the database
for this period are not getting extracted, as there is the
possibility, that they are getting overwritten again by
a payroll run for the same period.
Once the payroll period is closed in PA03, the results for that
period are considered to be final, and thus extraction will
extract them. You will need to check the status of the payroll
areas in PA03.