What this means is pretty much what it says! You may well find adding the line 'use diagnostics;' to your code helpful as the diagnostics module will pull some details from the perldocs for you. For example:

use diagnostics;

0->my_method();

__DATA__
Can't call method "my_method" without a package or object reference at

    (F) You used the syntax of a method call, but the slot filled by t
+he
    object reference or package name contains an expression that retur
+ns a
    defined value which is neither an object reference nor a package n
+ame.
    Something like this will reproduce the error:
    
        $BADREF = 42;
        process $BADREF 1,2,3;
        $BADREF->process(1,2,3);
    
Uncaught exception from user code:
    Can't call method "my_method" without a package or object referenc
+e at script line 3
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So above you see an example that generates your error. Diagnostics have expanded the error message (in this case it is not the best explanation I have ever seen but....)

So the error is I called the method 'my_method' on the value 0. You can't call a method on 0 or an undefined value or in fact anthing that is not a blessed object that supports that method. The error has occurred because your Mime::Lite object is not defined for some reason. Without seeing the code you are currently working with that is all I can say.

Here is an example that works on my Win32 box:

use MIME::Lite;

my $smtp = 'mail.trump.net.au';  # (typically your ISPs SMTP server)
my $from = 'james.freeman@smartsurf.org';
my $to   = $from;
my @cc   = qw( );   # add addresses here to Cc, space separated
my $sbj  = 'A test with attachment';

my @cc   = ( "Cc" => (join ',', @cc) ) if @cc;


my $msg = MIME::Lite->new(
    From    => $from,
    To      => $to,
    @cc,
    Subject => $sbj,
    Type    =>'multipart/mixed',
) or die "Could not create Mime::Lite object!";

$msg->attach(
    Type     =>'TEXT',
    Data     =>"Here's the file you wanted"
);

$msg->attach(
    Type     =>'image/gif',            # often 'application/octet-stre
+am'
    Path     =>"C:\\background.gif",   # full path to file
    Filename =>'background.gif'        # name we want to use in email 
+for file
);

#print $msg->as_string;

$msg->send_by_smtp( $smtp) or die "Could not send mail $!\n";
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