After calling rfid.enumerate I get this error:
Error code 2004: RFID service is not installed or available Failure in resolving dependency.

v1

var log = function(s){
document.getElementById("output").innerHTML += s + "";
}
function initRfid() {
rfid.statusEvent = "statusHandler(%json)";
log("set enumerate handler");
rfid.enumRFIDEvent = "enumerateRFIDHandler(%json)";
log("calling enumerate");
rfid.enumerate();
}
function enumerateRFIDHandler(enumRFIDJSON) {
log("EnumResult:" + JSON.stringify(enumRFIDJSON));
rfid.connect();
performAdvancedInventory1();
}
function TagHandlerAdvanced1(tagReportJSON) {
log(
"TagID :" +
tagReportJSON.TagData[0].tagID +
" Seen Count: " +
tagReportJSON.TagData[0].tagSeenCount +
" First seen Timestamp:" +
tagReportJSON.TagData[0].firstSeenTimeStamp);
log(
"TagID :" +
tagReportJSON.TagData[1].tagID +
" Seen Count: " +
tagReportJSON.TagData[1].tagSeenCount +
" First seen Timestamp:" +
tagReportJSON.TagData[1].firstSeenTimeStamp);
log(
"TagID :" +
tagReportJSON.TagData[2].tagID +
" Seen Count: " +
tagReportJSON.TagData[2].tagSeenCount +
" First seen Timestamp:" +
tagReportJSON.TagData[2].firstSeenTimeStamp);
log(
"TagID :" +
tagReportJSON.TagData[3].tagID +
" Seen Count: " +
tagReportJSON.TagData[3].tagSeenCount +
" First seen Timestamp:" +
tagReportJSON.TagData[3].firstSeenTimeStamp);
log(
"TagID :" +
tagReportJSON.TagData[4].tagID +
" Seen Count: " +
tagReportJSON.TagData[4].tagSeenCount +
" First seen Timestamp:" +
tagReportJSON.TagData[4].firstSeenTimeStamp);
}
function statusHandler(statusJSON) {
log("Status: " + statusJSON.method + " " + statusJSON.errorCode);
log("Status: " + JSON.stringify(statusJSON));
}
function performAdvancedInventory1() {
rfid.tagEvent = "TagHandlerAdvanced1(%json)";
rfid.reportUniqueTags = false;
rfid.reportTrigger = 5;
rfid.enableTagSeenCount = true;
rfid.enableTagUTCTimeStamp = true;
rfid.startTriggerType = "triggerPress";
rfid.stopTriggerType = "duration";
rfid.stopDuration = 10000; // Duration in milliseconds.
rfid.performInventory();
}
log("about to init");
setTimeout(()=>{
initRfid();
}, 5000);