weird error

wtf.java

//2013-07-25 19:21:23 [SEVERE] Error occurred while enabling RpgAPI v0.2 (Is it up to date?)
//java.lang.NumberFormatException: For input string: "w"
//at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1241)
//at java.lang.Double.parseDouble(Double.java:540)
//at com.vartala.soulofw0lf.rpgapi.util.Misc.stringToLoc(Misc.java:45)
    
         public static Location stringToLoc(String s) {
            String[] arr = s.split("|");
            if (arr.length == 4)
                return new Location(Bukkit.getWorld(arr[0]), Double.parseDouble(arr[1]), Double.parseDouble(arr[2]), Double.parseDouble(arr[3]));
            else
                return new Location(Bukkit.getWorld(arr[0]), Double.parseDouble(arr[1]), Double.parseDouble(arr[2]), Double.parseDouble(arr[3]), Float.parseFloat(arr[4]), Float.parseFloat(arr[5]));
    
    
//at com.vartala.soulofw0lf.rpgapi.loaders.VectorLoader.<init>(VectorLoader.java:71)
    
              Location loc = Misc.stringToLoc(vecConfig.getString("Vector Blocks." + key + ".Location"));
              
              
              Vector Blocks:
                '1':
                  Location: 'world|0|0|0'
                  Vector: '-0.8|1.6|-2.0'
                  Vector Immune: '40'
    
    
//at com.vartala.soulofw0lf.rpgapi.RpgAPI.onEnable(RpgAPI.java:336)