(D)elete, (A)bort, (R)etry, (S)kip, Ski(p) all: Abort". I don't see an option for batch that would choose delete?
Here is example session
Searching for host...
Connecting to host...
Using username "blah".
Authenticating with pre-entered password.
Starting the session...
Active session:  email@example.com
Using configured transfer settings different from factory defaults.
C:9999999999999999.ipg | 0 B | 0.0 KB/s | binary | 0%
Cannot overwrite remote file '/var/tftpboot/9999999999999999.ipg'.
Error code: 3
Error message from server: Permission denied
(D)elete, (A)bort, (R)etry, (S)kip, Ski(p) all: Abort
Session 'firstname.lastname@example.org' closed.