in recjobtransformtests  mc10_default_short:

errorinfo
  acronym=trf_outfile_notread (64120) transform output file not readable
  message=output file t1_mcatnlo_jimmy.aod.pool.root failed validation. events could not be counted argument outputaodfile
  severity=fatal
  producer=esdtoaod
  backtrace=file &quot;/afs/cern.ch/atlas/software/builds/nightlies/16.6.x/atlascore/rel_3/installarea/python/pyjobtransformscore/trf.py&quot;, line 1842, in dopostrunactions
              cmd.postrunaction()
            file &quot;/afs/cern.ch/atlas/software/builds/nightlies/16.6.x/atlascore/rel_3/installarea/python/pyjobtransformscore/basic_trfarg.py&quot;, line 1197, in postrunaction
              self.validatefile()
            file &quot;/afs/cern.ch/atlas/software/builds/nightlies/16.6.x/atlascore/rel_3/installarea/python/pyjobtransformscore/basic_trfarg.py&quot;, line 1184, in validatefile
              self._filetype.validatefile( self, **self.__validationdict )
            file &quot;/afs/cern.ch/atlas/software/builds/nightlies/16.6.x/atlascore/rel_3/installarea/python/pyjobtransformscore/trfutil.py&quot;, line 1348, in validatefile
              raise transformvalidationerror( fname, 'failed validation. events could not be counted argument %s' % argname, 'trf_outfile_notread' )

also in the same job, unsure if the two errors are somehow related:

py:esdtoaod         error during execution of esdtoaod, exception caught: unsupported operand type(s) for -: 'long' and 'nonetype'


full log file: https://atlasrtt.cern.ch/rtt/rel_3/16.6.x/build/i686-slc5-gcc43-opt/offline/recjobtransformtests/mc10_default_short/mc10_default_short_log