Anyone have any suggestions on preventing this?

I got the LR4 almost a month ago and I’ve had this issue where the pee sticks. I have two 6 month old kittens. I’m using worlds best litter and I’ve had the cycle time set to 15 but I recently changed it to 20 minutes and it hasn’t change anything. It’s just a little annoying to have to scrape pee off the liner every day. Any found a fix for this?

I got the LR4 almost a month ago and I’ve had this issue where the pee sticks. I have two 6 month old kittens. I’m using worlds best litter and I’ve had the cycle time set to 15 but I recently changed it to 20 minutes and it hasn’t change anything. It’s just a little annoying to have to scrape pee off the liner every day. Any found a fix for this?