css parsing issues

I am new to pd4ml and trying evaluation version, I try to use pd4ml java library

Code Snippet:

pd4ml.useTTF("java:fonts", true);
pd4ml.enableDebugInfo();
pd4ml.setHtmlWidth(1000);
java.io.FileOutputStream fos = new java.io.FileOutputStream("c:/test123.pdf");
pd4ml.render("http://stage01:8080/",fos);

in the debug info i am getting

version: PD4ML 398fx3 (eval)
default built-in stylesheet parsed [19ms]
loading http://stage02:8080/pm/#/login [636ms]
using content encoding from HTTP header: UTF-8
loading CSS file for http://stage02:8080/pm/css/ppm-lib.min.css
not yet in cache: http://stage02:8080/pm/css/ppm-lib.min.css
loading http://stage02:8080/pm/css/ppm-lib.min.css [1060ms]
stylesheet 'http://stage02:8080/pm/css/ppm-lib.min.css' parsed [129ms]
CSS parsing errors (http://stage02:8080/pm/css/ppm-lib.min.css)
line 5: unknown or misused CSS function: format [<line too long to dump>]
line 5: unexpected character ',' [<line too long to dump>]

css parsing issues unexpected character ',' [<line too long to dump>]
..........