Hey, It's the same error for the same line but in a different file, the full error with the file name is below
Uncaught HierarchyRequestError: Failed to execute 'appendChild' on 'Node': Nodes of type 'HTML' may not be inserted inside nodes of type '#document'. * polymer.concat.js:6290* I have more details in the comments in here http://stackoverflow.com/questions/26766181/please-help-me-understand-this-error Raja On Wednesday, November 5, 2014 11:57:52 PM UTC-5, Artem Khodyush wrote: > > Hi, > > I've seen exactly this error when multiple instances of TemplateBinding.js > were included in the page. The error happened at this line: > > > https://github.com/Polymer/TemplateBinding/blob/master/src/TemplateBinding.js#L163 > : > > var html = d.appendChild(d.createElement('html')); > it's the attempt to insert second html element that failed. > > Not sure if the same thing is happening in your case, but I got it when I > had custom element with bower.json that referenced polymer-dev repo instead > of polymer (back when -dev repos were still in use, and I wanted to pull in > non-minified code for some debugging). > > My component pulled in polymer-dev, other dependencies pulled in polymer, > that's how I ended up with two copies of polymer scripts. > > Hope this helps, > Artem > > > > On Wednesday, November 5, 2014 11:04:30 AM UTC-8, [email protected] > wrote: >> >> Hello All, >> >> Can someone please explain why the following error occurs and what it >> means? >> >> Uncaught HierarchyRequestError: Failed to execute 'appendChild' on >> 'Node': Nodes of type 'HTML' may not be inserted inside nodes of type >> '#document' >> >> I am not sure I am able to reproduce it but it occurs from time to time, >> usually when I import more than one custom element. It's extremely hard >> giving exact context since I am working on integrating polymer's paper/core >> elements for our in-house widgets. Broadly speaking what are the cases that >> I would see this error? Any kind of help is appreciated. Thank you. >> >> Regards, >> Raja >> > Follow Polymer on Google+: plus.google.com/107187849809354688692 --- You received this message because you are subscribed to the Google Groups "Polymer" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/polymer-dev/b1277003-dc13-46ca-9faa-8a5494a5ec3e%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
