Fatal error on Link Approve/Decline [5.1.0-B1]

Imported From: http://groups.google.com/group/in-portal-bugs/browse_thread/thread/0f2c7a1b54499e68#

Another minor issue in new 5.1.0-B1 has been discovered.

I'm getting Fatal Error while trying to approve/decline Link (or other Catalog Item) from Administrative console. Error says:

Fatal Error: mail error: header To is required in .../core/kernel/utility/email_send.php on line 1093 

Related Tasks

INP-599 - Getting issue details... STATUS