xterm and urxvt have a -e option which takes a program to run.

termite / VTE-based terminals usually call this option -x, and -e means something subtly different.

 

Uhhh... can we see namedScratchpadActionTerminal? Beuase if it's what I think it is, it's your problem. You just wanted a normal scratchpad, or a program running in a scratchpad terminal like the other ones you have defined; but the definitions I've seen in the past for namedScratchpadActionTerminal (generally taken from someone else's config; it's not standard) will open a default terminal as the scatchpad, passing to it with -e a command to run urxvt which will *not* be taken as a scratchpad.