getPercentagePageViewed Unspecified

Yes I followed step by step adobe documentation.

Below what I did

/******************************************* BEGIN CODE TO DEPLOY *******************************************/
/* Adobe Consulting Plugin: getPercentPageViewed v4.0 w/handlePPVevents helper function (Requires p_fo plug-in) */
s.getPercentPageViewed=function(pid,ch){var s=this,a=s.c_r("s_ppv");a=-1<a.indexOf(",")?a.split(","):[];a[0]=s.unescape(a[0]); pid=pid?pid:s.pageName?s.pageName:document.location.href;s.ppvChange="undefined"===typeof ch||!0==ch?!0:!1;if("undefined"=== typeof s.linkType||"o"!==s.linkType)s.ppvID&&s.ppvID===pid||(s.ppvID=pid,s.c_w("s_ppv",""),s.handlePPVevents()), s.p_fo("s_gppvLoad") &&window.addEventListener&&(window.addEventListener("load",s.handlePPVevents,!1),window.addEventListener("click",s.handlePPVevents, !1),window.addEventListener("scroll",s.handlePPVevents,!1)),s._ppvPreviousPage=a[0]?a[0]:"",s._ppvHighestPercentViewed=a[1]?a[1]:"",s._ppvInitialPercentViewed=a[2]?a[2]:"",s._ppvHighestPixelsSeen=a[3]?a[3]:"",s._ppvFoldsSeen=a[4]?a[4]:"",s._ppvFoldsAvailable=a[5]?a[5]:""};

/* Adobe Consulting Plugin: handlePPVevents helper function (for getPercentPageViewed v4.0 Plugin) */
s.handlePPVevents=function(){if("undefined"!==typeof s_c_il){for(var c=0,g=s_c_il.length;c<g;c++)if(s_c_il[c]&& (s_c_il[c].getPercentPageViewed||s_c_il[c].getPreviousPageActivity)){var s=s_c_il[c];break}if(s&&s.ppvID){var f=Math.max (Math.max(document.body.scrollHeight,document.documentElement.scrollHeight),Math.max(document.body.offsetHeight, document.documentElement.offsetHeight),Math.max(document.body.clientHeight,document.documentElement.clientHeight)),h= window.innerHeight||document.documentElement.clientHeight||document.body.clientHeight;c=(window.pageYOffset|| window.document.documentElement.scrollTop||window.document.body.scrollTop)+h;g=Math.min(Math.round(c/f*100),100);var k=Math.floor(c/h);h=Math.floor(f/h);var d="";if(!s.c_r("s_tp")||s.unescape(s.c_r("s_ppv").split(",")[0])!==s.ppvID||s.p_fo(s.ppvID) ||1==s.ppvChange&&s.c_r("s_tp")&&f!=s.c_r("s_tp")){(s.unescape(s.c_r("s_ppv").split(",")[0])!==s.ppvID||s.p_fo(s.ppvID+"1"))&&s.c_w("s_ips",c);if(s.c_r("s_tp")&&s.unescape(s.c_r("s_ppv").split(",")[0])===s.ppvID){s.c_r("s_tp");d=s.c_r("s_ppv");var e=-1< d.indexOf(",")?d.split(","):[];d=e[0]?e[0]:"";e=e[3]?e[3]:"";var l=s.c_r("s_ips");d=d+","+Math.round(e/f*100)+","+Math.round(l/ f*100)+","+e+","+k}s.c_w("s_tp",f)}else d=s.c_r("s_ppv");var b=d&&-1<d.indexOf(",")?d.split(",",6):[];f=0<b.length?b[0]: escape(s.ppvID);e=1<b.length?parseInt(b[1]):g;l=2<b.length?parseInt(b[2]):g;var m=3<b.length?parseInt(b[3]):c,n=4<b.length? parseInt(b[4]):k;b=5<b.length?parseInt(b[5]):h;0<g&&(d=f+","+(g>e?g:e)+","+l+","+(c>m?c:m)+","+(k>n?k:n)+","+(h>b?h:b)); s.c_w("s_ppv",d)}}};

/* Adobe Consulting Plugin: p_fo (pageFirstOnly) v2.0 */
s.p_fo=function(on){var s=this;s.__fo||(s.__fo={});if(s.__fo[on])return!1;s.__fo[on]={};return!0};
/******************************************** END CODE TO DEPLOY ********************************************/
var s=s_gi();
_satellite.logger.info('getPercentPageViewed'+s.getPercentPageViewed(s.prop5)); //Log
_satellite.logger.info('_ppvPreviousPage'+s._ppvPreviousPage); //Log
function s_doPlugins(s){
if(s.prop5) s.getPercentPageViewed(s.prop5);

if(s._ppvPreviousPage)
{

s.prop61 = s._ppvPreviousPage;
s.prop60 = "highestPercentViewed = " + s._ppvHighestPercentViewed + " | initialPercentViewed=" + s._ppvInitialPercentViewed;
}

}