[TYPO3-Solr] Index Queue Worker error after upgrade to 2.1.0

[Jan Slusarczyk]

> I had the same problem. In the new version fields have been added to the
> solr database tables. When you go to the extension manager, select solr and
> apply the changes to the db everything should be fine.

Thank you! This was the reason. I thought database changes were part of 
the automatic upgrade process...

Thank you
Jan