Image download failed

Hello, every time i reload the plugin it doesn't download the images for the UI and i get this messages in console: 

Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: foundation_0 - Image URL: https://rustlabs.com/img/screenshots/foundation0.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: foundation.triangle_0 - Image URL: https://rustlabs.com/img/screenshots/tr-foundation0.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: wall_0 - Image URL: https://rustlabs.com/img/screenshots/wall0.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: wall.frame_0 - Image URL: https://rustlabs.com/img/screenshots/wall-frame0.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: wall.window_0 - Image URL: https://rustlabs.com/img/screenshots/window0.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: wall.doorway_0 - Image URL: https://rustlabs.com/img/screenshots/doorway0.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: floor_0 - Image URL: https://rustlabs.com/img/screenshots/floor0.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: floor.frame_0 - Image URL: https://rustlabs.com/img/screenshots/floor-frame0.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: floor.triangle_0 - Image URL: https://rustlabs.com/img/screenshots/tr-floor0.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: floor.triangle.frame_0 - Image URL: https://rustlabs.com/img/screenshots/triangle-frame1.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: roof_0 - Image URL: https://rustlabs.com/img/screenshots/roof0.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: roof.triangle_0 - Image URL: https://rustlabs.com/img/screenshots/tr-roof0.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: wall.half_0 - Image URL: https://rustlabs.com/img/screenshots/half-wall0.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: wall.low_0 - Image URL: https://rustlabs.com/img/screenshots/low-wall0.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: ramp_0 - Image URL: https://rustlabs.com/img/screenshots/ramp1.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: block.stair.ushape_0 - Image URL: https://rustlabs.com/img/screenshots/u-stair0.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: block.stair.lshape_0 - Image URL: https://rustlabs.com/img/screenshots/l-stair0.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: foundation.steps_0 - Image URL: https://rustlabs.com/img/screenshots/stairs0.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: block.stair.spiral.triangle_0 - Image URL: https://rustlabs.com/img/screenshots/triangle-spiral1.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: block.stair.spiral_0 - Image URL: https://rustlabs.com/img/screenshots/block-spiral1.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: door.hinged.industrial.d_0 - Image URL: https://rustlabs.com/img/skins/324/10189.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: gates.external.high.wood_0 - Image URL: https://rustlabs.com/img/items180/gates.external.high.wood.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: gates.external.high.stone_0 - Image URL: https://rustlabs.com/img/items180/gates.external.high.stone.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: shutter.wood.a_0 - Image URL: https://rustlabs.com/img/items180/shutter.wood.a.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: floor.ladder.hatch_0 - Image URL: https://rustlabs.com/img/items180/floor.ladder.hatch.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: wall.frame.cell.gate_0 - Image URL: https://rustlabs.com/img/items180/wall.frame.cell.gate.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: floor.triangle.ladder.hatch_0 - Image URL: https://rustlabs.com/img/items180/floor.triangle.ladder.hatch.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: wall.frame.fence.gate_0 - Image URL: https://rustlabs.com/img/items180/wall.frame.fence.gate.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: wall.frame.shopfront_0 - Image URL: https://rustlabs.com/img/items180/wall.frame.shopfront.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: wall.external.high.wood_0 - Image URL: https://rustlabs.com/img/items180/wall.external.high.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: icewall_0 - Image URL: https://rustlabs.com/img/items180/wall.ice.wall.png
Image failed to download! Error: HTTP/1.1 403 Forbidden - Image Name: barricade.cover.wood_0 - Image URL: https://rustlabs.com/img/items180/barricade.wood.cover.png