Stackideas

Where there are no comments, I can see the text area with BBCode. After submitting the first comment, I can't see it anymore. It's true for all browsers.
The java console shows this:

Uncaught ReferenceError: uncodeURIComponent is not defined
Komento.module.a.fn.sharelinkssharelinks.js:1
Komento.module.Komento.require.library.image.script.view.done.Komento.Controller.init.b.noComment.length.b.loadedkomento.commentlist.js:1
f.e.extend.eachfoundry.js:1
f.e.fn.e.eachfoundry.js:1
Komento.module.Komento.require.library.image.script.view.done.Komento.Controller.initkomento.commentlist.js:1
a.require.script.done.c.f.newInstanceclass.js:1
pclass.js:1
a.require.script.done.c.a.fn.extend.implementcontroller.js:1
f.e.extend.eachfoundry.js:1
a.require.script.done.c.a.fn.extend.implementcontroller.js:1
Komento.module.Komento.require.script.done.Komento.Controller.initkomento.commenttools.js:1
a.require.script.done.c.f.newInstanceclass.js:1
pclass.js:1
a.require.script.done.c.a.fn.extend.implementcontroller.js:1
f.e.extend.eachfoundry.js:1
a.require.script.done.c.a.fn.extend.implementcontroller.js:1
(anonymous function)1386-monday:271
a.extend.runfoundry.js:4
f.e.extend.proxy.gfoundry.js:1
a.extend.readyfoundry.js:4
f.Callbacks.ofoundry.js:1
f.Callbacks.p.addfoundry.js:1
f.e.fn.e.readyfoundry.js:1
a.extend.readyfoundry.js:4
f.Callbacks.ofoundry.js:1
f.Callbacks.p.addfoundry.js:1
a.extend.readyfoundry.js:4
f.Callbacks.ofoundry.js:1
f.Callbacks.p.addfoundry.js:1
a.extend.require.d.donefoundry.js:4
f.Callbacks.ofoundry.js:1
f.Callbacks.p.fireWithfoundry.js:1
f.Callbacks.p.firefoundry.js:1
a.require.a.each.c.batchfoundry.js:4
f.Callbacks.ofoundry.js:1
f.Callbacks.p.fireWithfoundry.js:1
f.extend.when.efoundry.js:1
f.Callbacks.ofoundry.js:1
f.Callbacks.p.fireWithfoundry.js:1
f.Callbacks.p.firefoundry.js:1
f.Callbacks.ofoundry.js:1
f.Callbacks.p.fireWithfoundry.js:1
(anonymous function)autocomplete.js:1
f.Callbacks.ofoundry.js:1
f.Callbacks.p.fireWithfoundry.js:1
f.Callbacks.p.firefoundry.js:1
a.require.a.each.c.batchfoundry.js:4
f.Callbacks.ofoundry.js:1
f.Callbacks.p.fireWithfoundry.js:1
f.extend.when.efoundry.js:1
f.Callbacks.ofoundry.js:1
f.Callbacks.p.fireWithfoundry.js:1
f.Callbacks.p.firefoundry.js:1
f.Callbacks.ofoundry.js:1
f.Callbacks.p.addfoundry.js:1
a.require.addLoader.a.extend.load.b.script.done.efoundry.js:4
a.require.addLoader.a.extend.loadfoundry.js:4
f.Callbacks.ofoundry.js:1
f.Callbacks.p.fireWithfoundry.js:1
f.Callbacks.p.firefoundry.js:1
a.script.a.extend.readyfoundry.js:4
f.e.extend.proxy.gfoundry.js:1