fix package def creation under SureTax

diff --git a/httemplate/elements/tr-part_pkg-taxproducts.html b/httemplate/elements/tr-part_pkg-taxproducts.html
index 274dc3b..ad464ca 100644 (file)
--- a/httemplate/elements/tr-part_pkg-taxproducts.html
+++ b/httemplate/elements/tr-part_pkg-taxproducts.html
@@ -21,9 +21,12 @@
 my %opt = @_;
 my $field = delete($opt{field}) || 'taxproductnum';
 my $pkgpart = delete($opt{pkgpart});
-my $part_pkg = FS::part_pkg->by_key($pkgpart);
-my %pkg_options = $part_pkg->options;
-$pkg_options{'usage_taxproductnum_'} = $part_pkg->taxproductnum;
+my %pkg_options;
+if ($pkgpart) {
+  my $part_pkg = FS::part_pkg->by_key($pkgpart);
+  my %pkg_options = $part_pkg->options;
+  $pkg_options{'usage_taxproductnum_'} = $part_pkg->taxproductnum;
+}
 
 my @classes = qsearch('usage_class', { 'disabled' => '' });
 unshift @classes,