How to reproduce:

• In an extraction definition
• Create a query
  • type empty
  • select a content type
    • in clause input, the autocompletion propose all attributes of the selected type => OK
  • remove the selected content type
    • in clause input, the autocompletion still propose all attributes of the not anymore selected type => KO, it should only propose title attribute and system properties

Same issue in clauses variable, type select content, with the solr request