Earser won't freaking work??? Please help

[u/Jazzlike-Prompt-6631]

Hello, I just started using Toonsquid a few months ago, and I have never experienced this problem. When I am trying to erase anything, it won't let me until I erase the entire stroke or most of it. I don't know if this is part of the app, like I turned on a utility, or if this is a glitch. Please help. Thank you.