Multi-Line Custom Import does not create vendors on the fly

Multi-Line custom import set to create vendors on the fly  generates the following error and does not create a new vendor:

Error sending vendor activity notifications.

apvdrlnk_ActivityNotification - Error select name for vendor ####.

Vendor activity notification process is incomplete. 

• MUNIS

• Accounts Payable

• Invoice Processing

• Invoice Import

This is a MUNIS defect

Please download and install MUN-433521 from the MIU or Tyler Deploy