Upvote:1
If you have submitted your application you should pay tour fee which can later be refunded.
2 ongoing visa applications won’t be allowed.
The UK GOV website states:
Contact UKVI to find out how to cancel your application.
You can only get your fee refunded if your application hasn’t been processed yet.
If your application hasn’t been submitted you can just start again and if asked just say you made a mistake.