give resolution time in minutes for the given user story, only provide the number of minutes in the output without any other text

User story: processCcd.py an imSim image with the master obs_lsstCam and the w_2018_38 stack failed with:  {noformat}  processCcd.charImage.measurePsf INFO: Measuring PSF  processCcd FATAL: Failed on dataId={'visit': 185615, 'detector': 29, 'run': '185615', 'raftName': 'R10', 'detectorName': 'S02', 'snap': 0}: KeyError: "Field with name 'base_PsfFlux_flux' not found"  Traceback (most recent call last):    File "/software/lsstsw/stack3_20171023/stack/miniconda3-4.3.21-10a4fa6/Linux64/pipe_base/16.0-12-g726f8f3+1/python/lsst/pipe/base/cmdLineTask.py", line 388, in __call__      result = self.runTask(task, dataRef, kwargs)    File "/software/lsstsw/stack3_20171023/stack/miniconda3-4.3.21-10a4fa6/Linux64/pipe_base/16.0-12-g726f8f3+1/python/lsst/pipe/base/cmdLineTask.py", line 447, in runTask      return task.runDataRef(dataRef, **kwargs)    File "/software/lsstsw/stack3_20171023/stack/miniconda3-4.3.21-10a4fa6/Linux64/pipe_base/16.0-12-g726f8f3+1/python/lsst/pipe/base/timer.py", line 149, in wrapper      res = func(self, *args, **keyArgs)    File "/software/lsstsw/stack3_20171023/stack/miniconda3-4.3.21-10a4fa6/Linux64/pipe_tasks/16.0-17-gd75be2c9/python/lsst/pipe/tasks/processCcd.py", line 188, in runDataRef      doUnpersist=False,    File "/software/lsstsw/stack3_20171023/stack/miniconda3-4.3.21-10a4fa6/Linux64/pipe_base/16.0-12-g726f8f3+1/python/lsst/pipe/base/timer.py", line 149, in wrapper      res = func(self, *args, **keyArgs)    File "/software/lsstsw/stack3_20171023/stack/miniconda3-4.3.21-10a4fa6/Linux64/pipe_tasks/16.0-17-gd75be2c9/python/lsst/pipe/tasks/characterizeImage.py", line 349, in runDataRef      background=background,    File "/software/lsstsw/stack3_20171023/stack/miniconda3-4.3.21-10a4fa6/Linux64/pipe_base/16.0-12-g726f8f3+1/python/lsst/pipe/base/timer.py", line 149, in wrapper      res = func(self, *args, **keyArgs)    File "/software/lsstsw/stack3_20171023/stack/miniconda3-4.3.21-10a4fa6/Linux64/pipe_tasks/16.0-17-gd75be2c9/python/lsst/pipe/tasks/characterizeImage.py", line 407, in run      background=background,    File "/software/lsstsw/stack3_20171023/stack/miniconda3-4.3.21-10a4fa6/Linux64/pipe_base/16.0-12-g726f8f3+1/python/lsst/pipe/base/timer.py", line 149, in wrapper      res = func(self, *args, **keyArgs)    File "/software/lsstsw/stack3_20171023/stack/miniconda3-4.3.21-10a4fa6/Linux64/pipe_tasks/16.0-17-gd75be2c9/python/lsst/pipe/tasks/characterizeImage.py", line 501, in detectMeasureAndEstimatePsf      expId=exposureIdInfo.expId)    File "/software/lsstsw/stack3_20171023/stack/miniconda3-4.3.21-10a4fa6/Linux64/pipe_base/16.0-12-g726f8f3+1/python/lsst/pipe/base/timer.py", line 149, in wrapper      res = func(self, *args, **keyArgs)    File "/software/lsstsw/stack3_20171023/stack/miniconda3-4.3.21-10a4fa6/Linux64/pipe_tasks/16.0-17-gd75be2c9/python/lsst/pipe/tasks/measurePsf.py", line 274, in run      stars = self.starSelector.run(sourceCat=sources, matches=matches, exposure=exposure)    File "/software/lsstsw/stack3_20171023/stack/miniconda3-4.3.21-10a4fa6/Linux64/meas_algorithms/16.0-17-g6a7bfb3b+3/python/lsst/meas/algorithms/sourceSelector.py", line 110, in run      matches=matches)    File "/software/lsstsw/stack3_20171023/stack/miniconda3-4.3.21-10a4fa6/Linux64/meas_algorithms/16.0-17-g6a7bfb3b+3/python/lsst/meas/algorithms/objectSizeStarSelector.py", line 394, in selectSources      flux = sourceCat.get(self.config.sourceFluxField)    File "/software/lsstsw/stack3_20171023/stack/miniconda3-4.3.21-10a4fa6/Linux64/afw/16.0-42-gaa8aebfeb+1/python/lsst/afw/table/baseColumnView/baseColumnViewContinued.py", line 59, in __getitem__      keyobj = self.schema.find(key).key  KeyError: "Field with name 'base_PsfFlux_flux' not found"  {noformat}  
Answer: 2473.0