Subreddit submission box - Removing first subreddit results in Reddit error

[rblstr]

Removing first subreddit in subreddit submission box results in No Reddit response error.

Repro steps:

1. Select FutureGarage + futurebeats to playlist
2. Remove futurebeats from list by clicking close button on subreddit
3. Click Play

Expected result:

• FutureGarage is playlisted

Actual result:

• No Reddit response error