Restarting Sonarr to fix indexer failures

I am running Sonarr 2.0.0.5344 on a windows 10 box and every day I have to restart sonarr because my indexers “fail”. Not sure why this is happening? I am running SabNZB 3.0.2 as the nzb downloader, this issue had occured in the last month or so.

Here is the pastebin link > https://pastebin.com/GnDuAGtH