Re-sending a recent command (schedule->command->recent) to vehicle produces an error.

[ksalamy]

Describe the bug
Brian K. - Upon attempting to re-send a recent command (schedule->command->recent) the following error keeps coming up.

To Reproduce
Steps to reproduce the behavior:

1. On vehicle page view, click on Schedule ->Command->Recent(dropdown) an error message pops up stating that the Request failed with status 400 (suggesting client-side error).

Expected behavior
The recent command should be sent to the vehicle and scheduled to run.

Screenshots