[{reqId}] {exception_url}   InvalidArgumentException: GrowthExperiments\Config\WikiPageConfigWriter::getCurrentWikiConfig failed to load config

from /srv/mediawiki/php-1.37.0-wmf.3/extensions/GrowthExperiments/includes/Config/WikiPageConfigWriter.php(99)
#0 /srv/mediawiki/php-1.37.0-wmf.3/extensions/GrowthExperiments/includes/Config/WikiPageConfigWriter.php(111): GrowthExperiments\Config\WikiPageConfigWriter->getCurrentWikiConfig()
#1 /srv/mediawiki/php-1.37.0-wmf.3/extensions/GrowthExperiments/includes/Config/WikiPageConfigWriter.php(147): GrowthExperiments\Config\WikiPageConfigWriter->loadConfig()
#2 /srv/mediawiki/php-1.37.0-wmf.3/extensions/GrowthExperiments/includes/Config/WikiPageConfigWriter.php(159): GrowthExperiments\Config\WikiPageConfigWriter->setVariable(string, array)
#3 /srv/mediawiki/php-1.37.0-wmf.3/extensions/GrowthExperiments/includes/Specials/SpecialEditGrowthConfig.php(510): GrowthExperiments\Config\WikiPageConfigWriter->setVariables(array)
#4 /srv/mediawiki/php-1.37.0-wmf.3/includes/htmlform/HTMLForm.php(715): GrowthExperiments\Specials\SpecialEditGrowthConfig->onSubmit(array, OOUIHTMLForm)
#5 /srv/mediawiki/php-1.37.0-wmf.3/includes/htmlform/HTMLForm.php(605): HTMLForm->trySubmit()
#6 /srv/mediawiki/php-1.37.0-wmf.3/includes/htmlform/HTMLForm.php(621): HTMLForm->tryAuthorizedSubmit()
#7 /srv/mediawiki/php-1.37.0-wmf.3/includes/specialpage/FormSpecialPage.php(187): HTMLForm->show()
#8 /srv/mediawiki/php-1.37.0-wmf.3/includes/specialpage/SpecialPage.php(646): FormSpecialPage->execute(NULL)
#9 /srv/mediawiki/php-1.37.0-wmf.3/includes/specialpage/SpecialPageFactory.php(1397): SpecialPage->run(NULL)
#10 /srv/mediawiki/php-1.37.0-wmf.3/includes/MediaWiki.php(313): MediaWiki\SpecialPage\SpecialPageFactory->executePath(string, RequestContext)
#11 /srv/mediawiki/php-1.37.0-wmf.3/includes/MediaWiki.php(916): MediaWiki->performRequest()
#12 /srv/mediawiki/php-1.37.0-wmf.3/includes/MediaWiki.php(550): MediaWiki->main()
#13 /srv/mediawiki/php-1.37.0-wmf.3/index.php(53): MediaWiki->run()
#14 /srv/mediawiki/php-1.37.0-wmf.3/index.php(46): wfIndexMain()
#15 /srv/mediawiki/w/index.php(3): require(string)
#16 {main}

{
    "GEHelpPanelAskMentor": true,
    "GEHelpPanelExcludedNamespaces": [],
    "GEHelpPanelHelpDeskPostOnTop": false,
    "GEHelpPanelHelpDeskTitle": "Wikipedia:Requests/Help_desk",
    "GEHelpPanelLinks": [
        {
            "title": "EditingHelp",
            "text": "Write a Wikipedia article using the right style",
            "id": "style"
        },
        {
            "title": "Wikipedia:Creation_and_usage_of_media_files",
            "text": "Add an image",
            "id": "image"
        },
        {
            "title": "Wikipedia:Citing_sources",
            "text": "Add a citation",
            "id": "citation"
        },
        {
            "title": "How_to_add_an_external_link",
            "text": "How to add an external link",
            "id": "externallink"
        },
        {
            "title": "Help:Infobox",
            "text": "How to add/edit the infobox",
            "id": "infobox"
        }
    ],
    "GEHelpPanelReadingModeNamespaces": [
        2,
        4,
        12,
        2,
        4,
        12
    ],
    "GEHelpPanelSearchNamespaces": [
        4,
        12,
        4,
        12
    ],
    "GEHelpPanelSuggestedEditsPreferredEditor": "visualeditor",
    "GEHelpPanelViewMoreTitle": "Special:MyLanguage/Help:Contents",
    "GEHomepageManualAssignmentMentorsList": null,
    "GEHomepageMentorsList": "Wikipedia:Requests/Help desk/Mentors",
    "GEHomepageSuggestedEditsIntroLinks": {
        "create": "Help:Creating pages",
        "image": "Help:Images"
    },
    "GEMentorshipEnabled": true
}