The "Add new site" feature throws an error and the search the feeds in site does not occur

Hello!
Thank you for your work!

The “Add new site” feature throws an error and the search the feeds in site does not occur. Self-host Version.

newsblur_web      | [Mar 13 17:50:11]  ---> No search server available for querying: RequestError(400, 'x_content_parse_exception', '[match] query does not support [cutoff_frequency]')
newsblur_web      | [Mar 13 17:50:11]  ---> No search server available for querying: RequestError(400, 'x_content_parse_exception', '[match] query does not support [cutoff_frequency]')
newsblur_web      | [Mar 13 17:50:11]  ---> No search server available for querying: RequestError(400, 'x_content_parse_exception', '[match] query does not support [cutoff_frequency]')
newsblur_web      | [Mar 13 17:50:11]  ---> No search server available for querying: RequestError(400, 'x_content_parse_exception', '[match] query does not support [cutoff_frequency]')
newsblur_web      | [Mar 13 17:50:11]  ---> [FF    ] [0.09s] [VlaKor^] Add Search: github.com prayag17 JellyPlayer releases (0 matches)
newsblur_web      | [Mar 13 17:50:35]  ---> No search server available for querying: RequestError(400, 'x_content_parse_exception', '[match] query does not support [cutoff_frequency]')
newsblur_web      | [Mar 13 17:50:35]  ---> No search server available for querying: RequestError(400, 'x_content_parse_exception', '[match] query does not support [cutoff_frequency]')
newsblur_web      | [Mar 13 17:50:35]  ---> No search server available for querying: RequestError(400, 'x_content_parse_exception', '[match] query does not support [cutoff_frequency]')
newsblur_web      | [Mar 13 17:50:35]  ---> No search server available for querying: RequestError(400, 'x_content_parse_exception', '[match] query does not support [cutoff_frequency]')
newsblur_web      | [Mar 13 17:50:35]  ---> [FF    ] [0.13s] [VlaKor^] Add Search: github.com go-vikunja app releases (0 matches)
newsblur_web      | [Mar 13 17:50:36]  ---> No search server available for querying: RequestError(400, 'x_content_parse_exception', '[match] query does not support [cutoff_frequency]')
newsblur_web      | [Mar 13 17:50:36]  ---> No search server available for querying: RequestError(400, 'x_content_parse_exception', '[match] query does not support [cutoff_frequency]')
newsblur_web      | [Mar 13 17:50:36]  ---> No search server available for querying: RequestError(400, 'x_content_parse_exception', '[match] query does not support [cutoff_frequency]')
newsblur_web      | [Mar 13 17:50:36]  ---> No search server available for querying: RequestError(400, 'x_content_parse_exception', '[match] query does not support [cutoff_frequency]')

At the same time, there is no drop-down list for searching for feeds, as on your server.

And here’s how it is with you: