Why does my first layer of a raft look like this?

hi @ThR4z0r Sorry to read about your trouble. In this case, cleaning up the nozzle and extrusion kit might alliviate the problem. Here is the reference video for you: SV04 IDEX How to clean hotend clean nozzle/ heatbreak of the Sovol SV04 IDEX 3D Printer 2021 - YouTube

Pls let us know if this could imporve the printing quality.

I’m no expert in this, but if your issues turn out to be related to bed leveling the resources below could be helpful for you. They saved me a lot of heartache over first-layer issues I was having recently.

First layer basics page:

On the page above images are provided to help understand/interpret first layer results…you can compare the images to yours:

Videos from above site:

Maybe worth a look.