Index: openacs-4/packages/acs-admin/www/apm/package-add-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-admin/www/apm/package-add-2.tcl,v
diff -u -N -r1.18 -r1.19
--- openacs-4/packages/acs-admin/www/apm/package-add-2.tcl	4 Apr 2018 08:11:26 -0000	1.18
+++ openacs-4/packages/acs-admin/www/apm/package-add-2.tcl	12 Feb 2019 17:12:18 -0000	1.19
@@ -24,8 +24,8 @@
     version_id:naturalnum
     { owner_name:multiple }
     { owner_uri:multiple}
-    { vendor [db_null] } 
-    { vendor_uri [db_null] }
+    { vendor ""} 
+    { vendor_uri ""}
     { install_p:boolean 0 }
     {implements_subsite_p:boolean "f"}
     {inherit_templates_p:boolean "f"}