How to get this library to work?

how to get the “unfolding maps” library to work?

Take a look here:

i managed to get it to work is processing 2 but now i’m getting these errors

Unfolding Map v0.9.6
Using OpenGLMapDisplay with processing.opengl.PGraphics2D
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/549/336.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/550/336.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/549/335.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/550/335.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/548/335.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/548/336.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/549/337.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/549/334.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/550/337.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/550/334.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/551/335.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/551/336.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/548/337.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/548/334.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/551/334.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/551/337.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/547/336.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/549/333.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/547/335.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/549/338.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/550/333.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/550/338.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/552/335.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/552/336.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/547/337.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/548/333.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/547/334.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/548/338.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/551/338.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/551/333.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/552/334.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/552/337.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/547/333.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/547/338.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/552/333.png contains bad image data, or may not be an image.
The file http://a.www.toolserver.org/tiles/bw-mapnik/10/552/338.png contains bad image data, or may not be an image.