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Warning: include_once(): Failed opening '/var/www/html/extensions/SemanticDrilldown/SemanticDrilldown.php' for inclusion (include_path='/var/www/html/vendor/pear/console_getopt:/var/www/html/vendor/pear/mail:/var/www/html/vendor/pear/mail_mime:/var/www/html/vendor/pear/net_smtp:/var/www/html/vendor/pear/net_socket:/var/www/html/vendor/pear/net_url2:/var/www/html/vendor/pear/pear-core-minimal/src:/var/www/html/vendor/pear/pear_exception:.:/usr/local/lib/php') in /var/www/html/LocalSettings.php on line 249

Warning: session_name(): Cannot change session name when headers already sent in /var/www/html/includes/Setup.php on line 433

Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/LocalSettings.php:249) in /var/www/html/extensions/SemanticMediaWiki/src/SetupCheck.php on line 377

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Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/LocalSettings.php:249) in /var/www/html/extensions/SemanticMediaWiki/src/SetupCheck.php on line 377
Semantic MediaWiki

Semantic MediaWiki was installed and enabled but is missing an appropriate upgrade key.

Version

Semantic MediaWiki:
4.1.0 (smw:2020-04-18)
MediaWiki:
1.39.0-wmf.22
Code:
ERROR_SCHEMA_INVALID_KEY

Why do I see this page?

Semantic MediaWiki's internal database structure has changed and requires some adjustments to be fully functional. There can be several reasons including:

How can I fix this error?

An administrator (or any person with administrator rights) has to run either MediaWiki's update.php or Semantic MediaWiki's setupStore.php maintenance script.

You may also consult the following pages for further assistance:


Notice: Uncommitted DB writes (transaction from Wikimedia\Rdbms\Database::beginIfImplied (LCStoreDB::get)) in /var/www/html/includes/libs/rdbms/database/TransactionManager.php on line 586

Notice: DB transaction writes or callbacks still pending (LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite, LCStoreDB::finishWrite) in /var/www/html/includes/libs/rdbms/database/Database.php on line 4495