MFHD creation

Evergreen v. 2.1

I created prediction pattern using the Alternate Serials View. I received two issues and MFHD place holder is created. I go to edit the mfhd and get the follwoing debugging error message

Create MFHD failed

{
 "message":"r is null",
 "fileName":"chrome://open_ils_staff_client/content/cat/opac.js",
 "lineNumber":568,
 "stack":"open_mfhd_editor(-1)@chrome://open_ils_staff_client/content/cat/opac.js:568\noncommand(
 [
  object XULCommandEvent
 ]
 )@chrome://open_ils_staff_client/content/cat/opac.xul:1\n",
 "name":"TypeError"
}