Unable to claim server - There was a problem signing into Plex

I have a Synology DS214play and previously had Plex installed and running fine. One day my remote access just stopped working and I ended up setting it up from scratch by uninstalling from my Synology and deleting the Plex shared folder. I deleted all my authorized devices. The installation was fine and it recreated all the necessary folders. After launching plex using the local address http://192.168.1.40:32400/web from the NAS it goes through the setup but I’m unable to claim the server. It spins and I get an error, there was a problem signing into your plex. Please help as I have no idea what next steps to take. I’ve attached my logs

Server Version#: 1.25.0.5246-6000
Player Version#: 4.66.1
Plex Media Server Logs_2021-11-25_23-34-12.zip (218.1 KB)

Same here with win10 OS. Remote access stopped working. Upgraded plex to latest version then Plex said something when wrong. Installed manually but same result. Signed out from Plex and signed back in. Tried to CLAIM SERVER and the same error with problem signing into PLEX even though I’m signed in through the APP and WEB. Even tried signing out of everything and letting PLEX prompt me but still NO JOY. Hopefully someone will read this and have a solution for us.

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