Problem in rule "multiple" - IA

[RubenBautistaEF]

hello everyone

Expected Result

Within the rules that make up an instant article, a rule of multiple type was defined, so that when a note contains a tweet, the blockquote and its corresponding script are painted, which contains the Twitter library that allows its correct visualization in Instant Articles.

• rule used*

  {
  "class": "InteractiveRule",
  "selector": "div.rich__block",
  "properties" : {
  "interactive.iframe" : {
  "type" : "multiple",
  "children": [
  {
  "type": "element",
  "selector": "blockquote"
  }, {
  "type": "next-sibling-element-of",
  "selector": "blockquote"
  }
  ]
  }
  }
  }

When a note contains a tweet the aforementioned rule works perfectly

Respecto al incidente en el KM 16.5 de la ZH del Mpio de B. Juárez hay 3 personas lesionadas no de gravedad una que perdió la vida. Las victimas son taxistas y presuntos narcomenudistas según testigos e indicios encontrados en el lugar de los hechos. No hay afectación a turistas.

— Alberto Capella (@kpya) 11 de diciembre de 2018

<script async="" src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>

Actual Result

The problem arises when the notes do not contain a tweet, send these errors.

{
"Error500": true,
"Msg": "Call to a member function cloneNode() on null",
"Code": 0,
"RequestType": 1,
"Request": {
"attributes": {},
"request": {},
"query": {},
"server": {},
"files": {},
"cookies": {},
"headers": {}
}
}

• php.CRITICAL: Fatal Error: Call to a member function cloneNode() on null {"exception":"[object] (Symfony\Component\Debug\Exception\FatalErrorException(code: 0): Error: Call to a member function cloneNode() on null at /var/www/apis/vendor/facebook/facebook-instant-articles-sdk-php/src/Facebook/InstantArticles/Transformer/Transformer.php:105)"} []

This version is used "facebook-instant-articles-sdk-php - v1.10.1"

Thanks

[muinh]

@pestevez
@infinitely-young added a good solution.
Check it please ASAP

[everton-rosario]

@infinitely-young or @muinh , would you send the PR with the referred fix?

[dsmikeyorke]

Has there been any progress on this? We are experiencing the same fatal error.