Shaker & Spoon Design Error: Unable to locate images/Muddling.gif

Triggered by: techniques.html (line 138)

  136.   <div class="col-sm-2 col-xs-12 graphic">
  137.    <div class="img-wrap barley_hide_outline" data-barley="index-side-image11" data-barley-editor="image" contenteditable="false">
> 138.     <img class="img-responsive" src="{{ 'images/Muddling.gif' | asset_url }}"/>
  139.    </div>
  140.   </div>

Stack Trace:

Traceback (most recent call last):
  File "/src/cratejoy/cratejoy/theme/render.py", line 401, in render_page
    output = tpl.render(**kwargs)
  File "/usr/local/lib/python2.7/site-packages/jinja2/environment.py", line 1008, in render
    return self.environment.handle_exception(exc_info, True)
  File "/usr/local/lib/python2.7/site-packages/jinja2/environment.py", line 780, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "techniques.html", line 4, in top-level template code
  File "base.html", line 222, in top-level template code
  File "techniques.html", line 138, in block "page_content"
  File "/src/cratejoy/cratejoy/util/timer.py", line 66, in decorated
    res = f(*args, **kwargs)
MissingAssetException: Syntax error 'Unable to locate images/Muddling.gif' on line 138

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