Ponycrate Design Error: Unable to locate settings.product_placeholder_img

Triggered by: shop/listing.html (line 97)

  95.    <section class="card item col-md-4 col-sm-6 col-xs-12">
  96.     <a href="/shop/product/{{ product.id }}">
> 97.      {{ product | object_img_centered(default_img_path='settings.product_placeholder_img', index=0, css_class="img-container", weighted=True) }}
  98.      <div class="heading hsmall-grp name-container line-limited">
  99.       <div>

Stack Trace:

Traceback (most recent call last):
  File "/src/cratejoy/cratejoy/theme/render.py", line 405, 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 "shop/listing.html", line 2, in top-level template code
  File "base.html", line 165, in top-level template code
  File "shop/listing.html", line 91, in block "page_content"
  File "/usr/local/lib/python2.7/site-packages/jinja2/sandbox.py", line 427, in call
    return __context.call(__obj, *args, **kwargs)
  File "/src/cratejoy/cratejoy/web/jinja_pagination.py", line 133, in _render
    return caller()
  File "shop/listing.html", line 97, in template
  File "/src/cratejoy/cratejoy/util/timer.py", line 70, in decorated
    res = f(*args, **kwargs)
MissingAssetException: Syntax error 'Unable to locate settings.product_placeholder_img' on line 97

PSST: If you are the owner of this store, fix this error from the code editor. See the developer documentation for more information.