Issue #3320711 by mkalkbrenner, cspitzlay: Change error log message formatting

...pi_solr_admin/src/Commands/SearchApiSolrAdminCommands.php

src/Commands/SearchApiSolrCommands.php

src/Plugin/SolrConnector/StandardSolrCloudConnector.php

src/Plugin/search_api/backend/SearchApiSolrBackend.php