MediaWiki API の結果

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": "[aM5IY3r8WI_P4KD183DNZQAAAQI] Exception caught: Wikimedia\\Rdbms\\Platform\\PostgresPlatform::setCoreSchema(): Argument #1 ($coreSchema) must be of type string, null given, called in /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/libs/rdbms/database/DatabasePostgres.php on line 732",
        "errorclass": "TypeError",
        "*": "TypeError at /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/libs/rdbms/platform/PostgresPlatform.php(60)\nfrom /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/libs/rdbms/platform/PostgresPlatform.php(60)\n#0 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/libs/rdbms/database/DatabasePostgres.php(732): Wikimedia\\Rdbms\\Platform\\PostgresPlatform->setCoreSchema()\n#1 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/libs/rdbms/database/DatabasePostgres.php(134): Wikimedia\\Rdbms\\DatabasePostgres->determineCoreSchema()\n#2 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/libs/rdbms/database/Database.php(263): Wikimedia\\Rdbms\\DatabasePostgres->open()\n#3 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1055): Wikimedia\\Rdbms\\Database->initConnection()\n#4 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/libs/rdbms/loadbalancer/LoadBalancer.php(911): Wikimedia\\Rdbms\\LoadBalancer->reallyOpenConnection()\n#5 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/libs/rdbms/loadbalancer/LoadBalancer.php(792): Wikimedia\\Rdbms\\LoadBalancer->reuseOrOpenConnectionForNewRef()\n#6 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1768): Wikimedia\\Rdbms\\LoadBalancer->getServerConnection()\n#7 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/libs/objectcache/WANObjectCache.php(1808): Wikimedia\\Rdbms\\LoadBalancer->Wikimedia\\Rdbms\\{closure}()\n#8 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/libs/objectcache/WANObjectCache.php(1623): Wikimedia\\ObjectCache\\WANObjectCache->fetchOrRegenerate()\n#9 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1759): Wikimedia\\ObjectCache\\WANObjectCache->getWithSetCallback()\n#10 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1745): Wikimedia\\Rdbms\\LoadBalancer->isPrimaryRunningReadOnly()\n#11 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/libs/rdbms/ReadOnlyMode.php(58): Wikimedia\\Rdbms\\LoadBalancer->getReadOnlyReason()\n#12 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/libs/rdbms/ReadOnlyMode.php(36): Wikimedia\\Rdbms\\ReadOnlyMode->getReason()\n#13 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/api/ApiMain.php(1804): Wikimedia\\Rdbms\\ReadOnlyMode->isReadOnly()\n#14 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/api/ApiMain.php(1788): MediaWiki\\Api\\ApiMain->checkReadOnly()\n#15 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/api/ApiMain.php(1960): MediaWiki\\Api\\ApiMain->checkExecutePermissions()\n#16 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/api/ApiMain.php(942): MediaWiki\\Api\\ApiMain->executeAction()\n#17 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/api/ApiMain.php(913): MediaWiki\\Api\\ApiMain->executeActionWithErrorHandling()\n#18 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/api/ApiEntryPoint.php(153): MediaWiki\\Api\\ApiMain->execute()\n#19 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/includes/MediaWikiEntryPoint.php(200): MediaWiki\\Api\\ApiEntryPoint->execute()\n#20 /home/prj/pgpool/public_html/mediawiki-1.43.3_jp/api.php(44): MediaWiki\\MediaWikiEntryPoint->run()\n#21 {main}"
    }
}