Messages like

   SEVERE setjy Leap second table TAI_UTC seems out-of-date.
   SEVERE setjy Until table is updated (see aips++ manager) times and coordinates
   SEVERE setjy derived from UTC could be wrong by 1s or more.

indicate that the "geodetic" directory of the data repository copy of your CASA installation needs to be updated.

Please refer to the CASA Guides and Docs for how to update:

https://casaguides.nrao.edu/index.php/Updating_the_CASA_Data_Repository

https://casadocs.readthedocs.io/en/stable/notebooks/external-data.html#Updating-the-Data-Directory