MediaWiki API result

This is the HTML representation of the JSON format. HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format. To see the non-HTML representation of the JSON format, set format=json.
See the complete documentation, or the API help for more information.
{
    "error": {
        "code": "internal_api_error_TypeError",
        "info": "[ao1NwQisuI17HxIZUPAHBQAAADY] Exception caught: MediaWiki\\Parser\\Sanitizer::armorFrenchSpaces(): Return value must be of type string, null returned",
        "errorclass": "TypeError",
        "*": "TypeError at /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Parser/Sanitizer.php(886)\nfrom /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Parser/Sanitizer.php(886)\n#0 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Tidy/RemexCompatFormatter.php(58): MediaWiki\\Parser\\Sanitizer::armorFrenchSpaces()\n#1 /home/ingmar/domains/ingmardeboer.nl/public_html/vendor/wikimedia/remex-html/src/Serializer/Serializer.php(169): MediaWiki\\Tidy\\RemexCompatFormatter->characters()\n#2 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Tidy/RemexCompatMunger.php(212): Wikimedia\\RemexHtml\\Serializer\\Serializer->characters()\n#3 /home/ingmar/domains/ingmardeboer.nl/public_html/vendor/wikimedia/remex-html/src/TreeBuilder/TreeBuilder.php(250): MediaWiki\\Tidy\\RemexCompatMunger->characters()\n#4 /home/ingmar/domains/ingmardeboer.nl/public_html/vendor/wikimedia/remex-html/src/TreeBuilder/InBody.php(73): Wikimedia\\RemexHtml\\TreeBuilder\\TreeBuilder->insertCharacters()\n#5 /home/ingmar/domains/ingmardeboer.nl/public_html/vendor/wikimedia/remex-html/src/TreeBuilder/InBody.php(78): Wikimedia\\RemexHtml\\TreeBuilder\\InBody->Wikimedia\\RemexHtml\\TreeBuilder\\{closure}()\n#6 /home/ingmar/domains/ingmardeboer.nl/public_html/vendor/wikimedia/remex-html/src/TreeBuilder/Dispatcher.php(398): Wikimedia\\RemexHtml\\TreeBuilder\\InBody->characters()\n#7 /home/ingmar/domains/ingmardeboer.nl/public_html/vendor/wikimedia/remex-html/src/Tokenizer/Tokenizer.php(1132): Wikimedia\\RemexHtml\\TreeBuilder\\Dispatcher->characters()\n#8 /home/ingmar/domains/ingmardeboer.nl/public_html/vendor/wikimedia/remex-html/src/Tokenizer/Tokenizer.php(584): Wikimedia\\RemexHtml\\Tokenizer\\Tokenizer->emitDataRange()\n#9 /home/ingmar/domains/ingmardeboer.nl/public_html/vendor/wikimedia/remex-html/src/Tokenizer/Tokenizer.php(405): Wikimedia\\RemexHtml\\Tokenizer\\Tokenizer->dataState()\n#10 /home/ingmar/domains/ingmardeboer.nl/public_html/vendor/wikimedia/remex-html/src/Tokenizer/Tokenizer.php(214): Wikimedia\\RemexHtml\\Tokenizer\\Tokenizer->executeInternal()\n#11 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Tidy/RemexDriver.php(78): Wikimedia\\RemexHtml\\Tokenizer\\Tokenizer->execute()\n#12 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Parser/Parser.php(1658): MediaWiki\\Tidy\\RemexDriver->tidy()\n#13 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Parser/Parser.php(624): MediaWiki\\Parser\\Parser->internalParseHalfParsed()\n#14 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Language/MessageParser.php(127): MediaWiki\\Parser\\Parser->parse()\n#15 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Language/Message/Message.php(1494): MediaWiki\\Language\\MessageParser->parse()\n#16 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Language/Message/Message.php(1074): MediaWiki\\Message\\Message->parseText()\n#17 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Language/Message/Message.php(1126): MediaWiki\\Message\\Message->format()\n#18 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Api/ApiHelp.php(581): MediaWiki\\Message\\Message->parse()\n#19 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Api/ApiHelp.php(174): MediaWiki\\Api\\ApiHelp::getHelpInternal()\n#20 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Api/ApiHelp.php(68): MediaWiki\\Api\\ApiHelp::getHelp()\n#21 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Api/ApiMain.php(2045): MediaWiki\\Api\\ApiHelp->execute()\n#22 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Api/ApiMain.php(949): MediaWiki\\Api\\ApiMain->executeAction()\n#23 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Api/ApiMain.php(920): MediaWiki\\Api\\ApiMain->executeActionWithErrorHandling()\n#24 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/Api/ApiEntryPoint.php(138): MediaWiki\\Api\\ApiMain->execute()\n#25 /home/ingmar/domains/ingmardeboer.nl/public_html/includes/MediaWikiEntryPoint.php(180): MediaWiki\\Api\\ApiEntryPoint->execute()\n#26 /home/ingmar/domains/ingmardeboer.nl/public_html/api.php(30): MediaWiki\\MediaWikiEntryPoint->run()\n#27 {main}"
    }
}