Thanks for the report - passing this to the team to look at now.
This thread was added on March 01, 2021, with posts from JagexHooli.
Original Post
https://gfycat.com/measlyallchafer
We've now released a hotfix that should address this issue. Please do let us know if this has worked for you. Thanks for your patience while we got this out there.
Still crashes the client anytime I try to open yak track
The crash on open is a separate issue which we are hoping to hotfix out as soon as we can tomorrow AM