UI error while crafting a fence gate

Got an UI error while trying to craft stone fence gate.
develop-2494 (x64)
Uncaught Error: Assertion Failed: Attributes must be numbers, strings or booleans, not {currentSrc: http://radiant/stonehearth/entities/construction/cobblestone_fence_gate/cobblestone_fence_gate.png, sizes: , y: 206, x: 493, width: 200, vspace: 0, useMap: , srcset: , src: http://radiant/stonehearth/entities/construction/cobblestone_fence_gate/cobblestone_fence_gate.png, naturalWidth: 300, naturalHeight: 300, name: , lowsrc: , longDesc: , isMap: false, hspace: 0, height: 200, crossOrigin: null, complete: true, border: , alt: , align: , onwaiting: null, onvolumechange: null, ontoggle: null, ontimeupdate: null, onsuspend: null, onsubmit: null, onstalled: null, onshow: null, onselect: null, onseeking: null, onseeked: null, onscroll: null, onresize: null, onreset: null, onratechange: null, onprogress: null, onplaying: null, onplay: null, onpause: null, onmousewheel: null, onmouseup: null, onmouseover: null, onmouseout: null, onmousemove: null, onmouseleave: null, onmouseenter: null, onmousedown: null, onloadstart: null, onloadedmetadata: null, onloadeddata: null, onload: null, onkeyup: null, onkeypress: null, onkeydown: null, oninvalid: null, oninput: null, onfocus: null, onerror: null, onended: null, onemptied: null, ondurationchange: null, ondrop: null, ondragstart: null, ondragover: null, ondragleave: null, ondragenter: null, ondragend: null, ondrag: null, ondblclick: null, oncuechange: null, oncontextmenu: null, onclose: null, onclick: null, onchange: null, oncanplaythrough: null, oncanplay: null, oncancel: null, onblur: null, onabort: null, spellcheck: true, isContentEditable: false, contentEditable: inherit, outerText: , innerText: , accessKey: , hidden: false, webkitdropzone: , draggable: true, tabIndex: -1, dir: , translate: true, lang: , title: , childElementCount: 0, lastElementChild: null, firstElementChild: null, children: [object HTMLCollection], onwebkitfullscreenerror: null, onwebkitfullscreenchange: null, nextElementSibling: null, previousElementSibling: null, onwheel: null, onselectstart: null, onsearch: null, onpaste: null, oncut: null, oncopy: null, onbeforepaste: null, onbeforecut: null, onbeforecopy: null, shadowRoot: null, dataset: [object DOMStringMap], classList: , className: , outerHTML: , innerHTML: , scrollHeight: 200, scrollWidth: 200, scrollTop: 0, scrollLeft: 0, clientHeight: 200, clientWidth: 200, clientTop: 0, clientLeft: 0, offsetParent: [object HTMLDivElement], offsetHeight: 200, offsetWidth: 200, offsetTop: 0, offsetLeft: 105, localName: img, prefix: null, namespaceURI: http://www.w3.org/1999/xhtml, id: portrait, style: [object CSSStyleDeclaration], attributes: [object NamedNodeMap], tagName: IMG, parentElement: [object HTMLDivElement], textContent: , baseURI: http://radiant/stonehearth/ui/root/index.html?current_screen=game_screen, ownerDocument: [object HTMLDocument], nextSibling: [object Text], previousSibling: [object Text], lastChild: null, firstChild: null, childNodes: [object NodeList], parentNode: [object HTMLDivElement], nodeType: 1, nodeValue: null, nodeName: IMG}
Error: Assertion Failed: Attributes must be numbers, strings or booleans, not {currentSrc: http://radiant/stonehearth/entities/construction/cobblestone_fence_gate/cobblestone_fence_gate.png, sizes: , y: 206, x: 493, width: 200, vspace: 0, useMap: , srcset: , src: http://radiant/stonehearth/entities/construction/cobblestone_fence_gate/cobblestone_fence_gate.png, naturalWidth: 300, naturalHeight: 300, name: , lowsrc: , longDesc: , isMap: false, hspace: 0, height: 200, crossOrigin: null, complete: true, border: , alt: , align: , onwaiting: null, onvolumechange: null, ontoggle: null, ontimeupdate: null, onsuspend: null, onsubmit: null, onstalled: null, onshow: null, onselect: null, onseeking: null, onseeked: null, onscroll: null, onresize: null, onreset: null, onratechange: null, onprogress: null, onplaying: null, onplay: null, onpause: null, onmousewheel: null, onmouseup: null, onmouseover: null, onmouseout: null, onmousemove: null, onmouseleave: null, onmouseenter: null, onmousedown: null, onloadstart: null, onloadedmetadata: null, onloadeddata: null, onload: null, onkeyup: null, onkeypress: null, onkeydown: null, oninvalid: null, oninput: null, onfocus: null, onerror: null, onended: null, onemptied: null, ondurationchange: null, ondrop: null, ondragstart: null, ondragover: null, ondragleave: null, ondragenter: null, ondragend: null, ondrag: null, ondblclick: null, oncuechange: null, oncontextmenu: null, onclose: null, onclick: null, onchange: null, oncanplaythrough: null, oncanplay: null, oncancel: null, onblur: null, onabort: null, spellcheck: true, isContentEditable: false, contentEditable: inherit, outerText: , innerText: , accessKey: , hidden: false, webkitdropzone: , draggable: true, tabIndex: -1, dir: , translate: true, lang: , title: , childElementCount: 0, lastElementChild: null, firstElementChild: null, children: [object HTMLCollection], onwebkitfullscreenerror: null, onwebkitfullscreenchange: null, nextElementSibling: null, previousElementSibling: null, onwheel: null, onselectstart: null, onsearch: null, onpaste: null, oncut: null, oncopy: null, onbeforepaste: null, onbeforecut: null, onbeforecopy: null, shadowRoot: null, dataset: [object DOMStringMap], classList: , className: , outerHTML: , innerHTML: , scrollHeight: 200, scrollWidth: 200, scrollTop: 0, scrollLeft: 0, clientHeight: 200, clientWidth: 200, clientTop: 0, clientLeft: 0, offsetParent: [object HTMLDivElement], offsetHeight: 200, offsetWidth: 200, offsetTop: 0, offsetLeft: 105, localName: img, prefix: null, namespaceURI: http://www.w3.org/1999/xhtml, id: portrait, style: [object CSSStyleDeclaration], attributes: [object NamedNodeMap], tagName: IMG, parentElement: [object HTMLDivElement], textContent: , baseURI: http://radiant/stonehearth/ui/root/index.html?current_screen=game_screen, ownerDocument: [object HTMLDocument], nextSibling: [object Text], previousSibling: [object Text], lastChild: null, firstChild: null, childNodes: [object NodeList], parentNode: [object HTMLDivElement], nodeType: 1, nodeValue: null, nodeName: IMG}
at new Error (native)
at Error.EmberError (http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.js:14251:23)
at Object.Ember.assert (http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.js:3865:15)
at http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.js:8147:15
at Array.forEach (native)
at bindAttrHelper (http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.js:8136:15)
at program1 (eval at (http://radiant/stonehearth/ui/root/js/libs/handlebars-v1.3.0.js:1:0), :28:110)
at prog (http://radiant/stonehearth/ui/root/js/libs/handlebars-v1.3.0.js:457:17)
at CoreView.extend.render (http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.js:42299:20)
at EmberRenderer_createElement as createElement