Use error counter instead of error message in CaloFuture2Dview
Use error counter instead of error message in CaloFuture2Dview
to avoid filling the error log with error messages (as reported in https://lblogbook.cern.ch/Shift/8204) if they reappear (the issue causing the error to be printed was a wrong rebasing of Rec!3074 (merged) and has been fixed already there).