Hello Claus, same problem here. Switched to 4.7.15. Installation und configuration are working. Then switched back to 4.7.17 Regards Stephan schrieb Claus Harup: > When trying to load solr version 2.8.3 from TER I get on TYPO3 4.7.17: > > Class 'tx_solr_search_SearchComponentManager' > > Any ideas? >