This is due to the logging code for the affected loggers being written back when WSJT-X did not record Date & Time off data. Log4OM was not affected as the JTAlert code for it was written when WSJT-X was  providing the Date & Time off data.

Laurie,

I am using Log4OM v1.41.0.0 and this version does not get QSO_DATE_OFF data.

I noticed that some weeks ago and since then I started to add this data manually.

vy 73,
Willi,DJ6JZ