error on step subtact_single (87 out of 92)

Anyone know what's causing this? It's my target facet, modified to have a 15 arcmin radius around my target coordinates. All other facets (11 of them) finished successfully.

error in facetselfcal log (the only error I could find):

2016-12-15 21:10:03 DEBUG facetselfcal_facet_patch_647.executable_args: compute.dispatch results job 146: job_duration: 2565.08189797, returncode: 0 2016-12-15 21:10:04 DEBUG facetselfcal_facet_patch_647.executable_args: Adding node_logging_information 2016-12-15 21:10:04 DEBUG facetselfcal_facet_patch_647.executable_args: Writing data map file: /beegfs/sttf310/data/P165-57-newdata/factor/fullband/results/facetselfcal/facet_patch_647/mapfiles/predict_and_difference_models.mapfile 2016-12-15 21:10:04 INFO facetselfcal_facet_patch_647.executable_args: recipe executable_args completed 2016-12-15 21:10:04 INFO facetselfcal_facet_patch_647: Beginning step create_middle_band_mapfile1 2016-12-15 21:10:30 INFO facetselfcal_facet_patch_647: Beginning step create_middle_band_mapfile2 2016-12-15 21:24:59 ERROR facetselfcal_facet_patch_647: 2016-12-15 21:24:59 ERROR facetselfcal_facet_patch_647: Failed pipeline run: facet_patch_647 2016-12-15 21:24:59 ERROR facetselfcal_facet_patch_647: Detailed exception information: 2016-12-15 21:24:59 ERROR facetselfcal_facet_patch_647: <type 'exceptions.RuntimeError'> 2016-12-15 21:24:59 ERROR facetselfcal_facet_patch_647: FilebufIO::readBlock - incorrect number of bytes read for file /beegfs/sttf310/data/P165-57-newdata/factor/fullband/results/facetselfcal/facet_patch_647/L544905_SB189_uv.pre-cal_128D2A9F2t_160MHz.pre-cal_chunk10.predict_and_difference_models/table.f1i 2016-12-15 21:24:59 ERROR facetselfcal_facet_patch_647: 2016-12-15 21:24:59 ERROR facetselfcal_facet_patch_647: LOFAR Pipeline finished unsuccesfully. 2016-12-15 21:24:59 WARNING facetselfcal_facet_patch_647: recipe facetselfcal_facet_patch_647 completed with errors

lofar-astron / factor

error on step subtact_single (87 out of 92) #171