n class='tstring_beg'>&#39;</span><span class='tstring_content'>invalid value for &quot;address_index&quot;, address_index cannot be nil.</span><span class='tstring_end'>&#39;</span></span><span class='rparen'>)</span>
  <span class='kw'>end</span>

  <span class='kw'>if</span> <span class='ivar'>@signing_payload</span><span class='period'>.</span><span class='id identifier rubyid_nil?'>nil?</span>
    <span class='id identifier rubyid_invalid_properties'>invalid_properties</span><span class='period'>.</spa