$cgi->param('tax','') unless defined $cgi->param('tax');
-$cgi->param('refnum', (split(/:/, ($cgi->param('refnum'))[0] ))[0] );
+$cgi->param('refnum', (split(/:/, ($cgi->multi_param('refnum'))[0] ))[0] );
#my @invoicing_list = split( /\s*\,\s*/, $cgi->param('invoicing_list') );
#push @invoicing_list, 'POST' if $cgi->param('invoicing_list_POST');
my $duplicate_of = $1;
# if this is enabled, enforce it
-if ( $conf->exists('agent-ship_address', $cgi->param('agentnum')) ) {
+if ( $conf->exists('agent-ship_address', scalar($cgi->param('agentnum'))) ) {
my $agent = FS::agent->by_key($cgi->param('agentnum'));
my $agent_cust_main = $agent->agent_cust_main;
if ( $agent_cust_main ) {