Select Code to Download

my @ILO_ERRORS = (); # Empty LIST;  not {}, which is a hash ref
...
...
if (@ILO_ERRORS) {
  print "SNMP CRITICAL -  @ILO_ERRORS \n"; # Note - array interpolated
+ INSIDE QUOTES, "\n" added
 ...

my ($key) = grep {$error_code{$_} =~/$element/} keys %error_code; 
     # Note - parens around ($key) provide the required list context
$key and push @ILO_ERRORS, $error_code{$key};