We get an error about media wiki not beeing able to find the configuration parameters as expected, when saving a page
Exception encountered, of type "ConfigException"
[31907a3f] /index.php?title=…&action=submit ConfigException from line 53 of /srv/www/…/includes/config/GlobalVarConfig.php: GlobalVarConfig::get: undefined option: 'endpointDefault' Backtrace: #0 /srv/www/…/extensions/LinkedWiki/parser/SparqlParser.php(29): GlobalVarConfig->get(string) #1 [internal function]: SparqlParser::render(Parser, string, string) …
We get a similar error for the Special:LinkedWikiConfig page just with:
… [90d212b0] /Special:LinkedWikiConfig ConfigException from line 53 of /srv/www/…/includes/config/GlobalVarConfig.php: GlobalVarConfig::get: undefined option: 'endpoint' …
We have the extension.json at its original place.