Indexer ERROR Unable to connect to indexer, check the log for more details

**Sonarr version 3.0.8.1507
OS: Windows 10
Debug logs: See below
Description of issue: I am new to Sonarr. I have followed serveral videos and tutorials to setup my indexers. I have tried several different ones but still getting (Unable to connect to indexer, check the log for more details) Can anyone tell what I am doing wrong.

Thanks

<!--- Additional Information: Log info at Jackett.Common.Indexers.DonTorrent.PerformQueryNewest(TorznabQuery query) in D:\a\1\s\src\Jackett.Common\Indexers\DonTorrent.cs:line 186 at Jackett.Common.Indexers.DonTorrent.PerformQuery(TorznabQuery query) in D:\a\1\s\src\Jackett.Common\Indexers\DonTorrent.cs:line 145 at Jackett.Common.Indexers.BaseIndexer.ResultsForQuery(TorznabQuery query, Boolean isMetaIndexer) in D:\a\1\s\src\Jackett.Common\Indexers\BaseIndexer.cs:line 310 --- End of inner exception stack trace --- at Jackett.Common.Indexers.BaseIndexer.ResultsForQuery(TorznabQuery query, Boolean isMetaIndexer) in D:\a\1\s\src\Jackett.Common\Indexers\BaseIndexer.cs:line 322 at Jackett.Common.Indexers.BaseWebIndexer.ResultsForQuery(TorznabQuery query, Boolean isMetaIndexer) in D:\a\1\s\src\Jackett.Common\Indexers\BaseIndexer.cs:line 677 at Jackett.Server.Controllers.ResultsController.Torznab(TorznabRequest request) in D:\a\1\s\src\Jackett.Server\Controllers\ResultsController.cs:line 404 at NzbDrone.Core.Indexers.Torznab.TorznabRssParser.PreProcess(IndexerResponse indexerResponse) in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Indexers\Torznab\TorznabRssParser.cs:line 42 at NzbDrone.Core.Indexers.RssParser.ParseResponse(IndexerResponse indexerResponse) in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Indexers\RssParser.cs:line 55 at NzbDrone.Core.Indexers.HttpIndexerBase`1.FetchPage(IndexerRequest request, IParseIndexerResponse parser) in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Indexers\HttpIndexerBase.cs:line 309 at NzbDrone.Core.Indexers.HttpIndexerBase`1.TestConnection() in M:\BuildAgent\work\63739567f01dbcc2\src\NzbDrone.Core\Indexers\HttpIndexerBase.cs:line 344 2022-06-16 08:12:24.0|Warn|SonarrErrorPipeline|Invalid request Validation failed: -- : Unable to connect to indexer, check the log for more details

This is not a Sonarr issue. Jackett cannot connect to the tracker, contact them for support.

The log provided is not helpful at all as it is only the error. For future reference see the wiki that the forum post template links to.