For some reason TankieTube decided that 144p was the highest quality version that it needed to transcode. Could you tell me the exact X and Y resolution of the video you uploaded? If the Y resolution is 222, then it should have chosen to also create a 240p version. It may be a bug.
I enabled a workaround by selecting the “always transcode original resolution” option in the admin panel. You may try to upload it again.
Yeah that should have a 240p version. I’ll mention it to the developer.