Need help identifying problem with new Ender 3 printer

[Mariya]

I levelled the bed with the paper technique and everything seems to work fine - tiny bit of resistance in each corner and in the centre. But once I start attempting to print an actual model, the nozzle seems to be catching on the pla and moving the layers along with it but I'm still not entirely sure what's going on and need a second look at it to figure out what to do next. I could also make a video on what starts to happen over time and include it in this thread if anyone specifies...

This was supposed to be the outline of an oval model: