Catalina - nzbdroneerrorpipeline invalid request validation Torznab

Sonarr version (exact version): 2.0.0.5344
Mono version (if Sonarr is not running on Windows): 5.10.1.57
OS**: Catalina 10.15.5

Description of issue:
I installed Catalina and did have some problems with Sonarr. I had to re-install Jackett and I had to adjust my security settings so that Sonarr could save the files on my Synology. This is all solved however I have no idea why I am not able to add new indexer using Torznab. The current Torznab indexers are working but I cannot add any new indexers. I did tried a few with all the same error. It is not only in Sonarr but also in Radarr. Can someone help me please?

I get 2 error messages;

  1. NzbDroneErrorPipeline - Invalid request Validation failed: – Unable to connect to indexer, check the log for more details
  2. Torznab - Unable to connect to indexer: Unexpected XML

below the log txt:
20-7-15 11:09:54.1|Warn|Torznab|Unable to connect to indexer

[v2.0.0.5344] System.Xml.XmlException: Unexpected XML
at NzbDrone.Core.Indexers.Newznab.NewznabCapabilitiesProvider.ParseCapabilities (NzbDrone.Common.Http.HttpResponse response) [0x0035e] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Indexers\Newznab\NewznabCapabilitiesProvider.cs:162
at NzbDrone.Core.Indexers.Newznab.NewznabCapabilitiesProvider.FetchCapabilities (NzbDrone.Core.Indexers.Newznab.NewznabSettings indexerSettings) [0x000d8] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Indexers\Newznab\NewznabCapabilitiesProvider.cs:74
at NzbDrone.Core.Indexers.Newznab.NewznabCapabilitiesProvider+<>c__DisplayClass4_0.b__0 () [0x00000] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Indexers\Newznab\NewznabCapabilitiesProvider.cs:35
at NzbDrone.Common.Cache.Cached1[T].Get (System.String key, System.Func1[TResult] function, System.Nullable1[T] lifeTime) [0x0006a] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Common\Cache\Cached.cs:81 at NzbDrone.Core.Indexers.Newznab.NewznabCapabilitiesProvider.GetCapabilities (NzbDrone.Core.Indexers.Newznab.NewznabSettings indexerSettings) [0x00020] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Indexers\Newznab\NewznabCapabilitiesProvider.cs:35 at NzbDrone.Core.Indexers.Torznab.Torznab.get_PageSize () [0x00000] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Indexers\Torznab\Torznab.cs:23 at NzbDrone.Core.Indexers.Torznab.Torznab.GetRequestGenerator () [0x00000] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Indexers\Torznab\Torznab.cs:27 at NzbDrone.Core.Indexers.HttpIndexerBase1[TSettings].TestConnection () [0x00007] in C:\BuildAgent\work\5d7581516c0ee5b3\src\NzbDrone.Core\Indexers\HttpIndexerBase.cs:334

20-7-15 11:09:54.1|Warn|NzbDroneErrorPipeline|Invalid request Validation failed:
– Unable to connect to indexer, check the log for more details

Looks like Jackett isn’t returning valid XML. If you look at debug logs it’ll show the URL and you can pop that into your browser to see what it returns.

Solved !!!
Thank you !!!

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