IO error: opening MasterCopies/BigFile.xlsx
 for read : No such file or directory 
 at /Library/Perl/5.18/Archive/Zip/Archive.pm line 563.
	Archive::Zip::Archive::read('Archive::Zip::Archive=HASH(0x7fcbea807328)', 'MasterCopies/BigFile.xlsx\x{a}') called at /Library/Perl/5.18/Spreadsheet/XLSX.pm line 33