A problem has been detected with a core component of Plex Media Server

Server Version#: DSM 6.2.4-25556 Update 6
Player Version#: 1.29.2.6364-6000

Ok so basically, i have my Plex media server on a DS412+ Synology nas, it was running fine a few days ago now without me even touching the thing it has brought me multiple always changing problems.
First i was not able to see my server at all on the web ui, now after countless reinstalls and restarts, database checking and so on i land on the server setup page with " A problem has been detected with a core component of Plex Media Server."
If i skip to the Finish i can adopt my server but cannot add a library or get a “settings unavailable” Here the Plex system logs:

2022-11-10 22:38:47,533 (7f065e87b808) : INFO (core:349) - Starting framework core - Version: 2.6.3, Build: 6d72b0c (Tue Nov 01 09:48:56 UTC 2022)
2022-11-10 22:38:47,537 (7f065e87b808) : DEBUG (core:361) - Using the elevated policy
2022-11-10 22:38:47,542 (7f065e87b808) : DEBUG (core:365) - Extending whitelist: [‘cgi’, ‘tempfile’]
2022-11-10 22:38:47,545 (7f065e87b808) : DEBUG (core:450) - Starting runtime component.
2022-11-10 22:38:47,571 (7f065e87b808) : DEBUG (core:450) - Starting caching component.
2022-11-10 22:38:47,574 (7f065e87b808) : DEBUG (core:450) - Starting data component.
2022-11-10 22:38:47,578 (7f065e87b808) : DEBUG (core:450) - Starting networking component.
2022-11-10 22:38:47,582 (7f065e87b808) : DEBUG (networking:265) - No cookie jar found
2022-11-10 22:38:47,597 (7f065e87b808) : DEBUG (networking:428) - Setting the default network timeout to 20.0
2022-11-10 22:38:47,627 (7f065e87b808) : DEBUG (core:450) - Starting localization component.
2022-11-10 22:38:47,635 (7f065e87b808) : INFO (localization:409) - Setting the default locale to en-us
2022-11-10 22:38:47,664 (7f065e87b808) : WARNING (data:179) - Error decoding with simplejson, using demjson instead (this will cause a performance hit) - Expecting property name enclosed in double quotes: line 26 column 1 (char 1078)
2022-11-10 22:38:47,819 (7f065e87b808) : DEBUG (localization:427) - Loaded en strings
2022-11-10 22:38:47,824 (7f065e87b808) : DEBUG (core:450) - Starting messaging component.
2022-11-10 22:38:47,830 (7f065e87b808) : DEBUG (core:450) - Starting debugging component.
2022-11-10 22:38:47,836 (7f065e87b808) : DEBUG (core:450) - Starting services component.
2022-11-10 22:38:47,843 (7f065e87b808) : DEBUG (core:450) - Starting myplex component.
2022-11-10 22:38:47,849 (7f065e87b808) : DEBUG (core:450) - Starting notifications component.
2022-11-10 22:38:55,320 (7f065e87b808) : DEBUG (accessor:68) - Creating a new model access point for provider com.plexapp.system in namespace ‘metadata’
2022-11-10 22:38:56,061 (7f065e87b808) : DEBUG (runtime:1117) - Created a thread named ‘load_all_services’
2022-11-10 22:38:56,077 (7f065b49eb38) : DEBUG (services:265) - Plug-in is not daemonized - loading services from system
2022-11-10 22:38:56,090 (7f065e87b808) : DEBUG (runtime:1117) - Created a thread named ‘get_server_info’
2022-11-10 22:38:56,107 (7f065b49eb38) : DEBUG (networking:143) - Requesting ‘ttp://127.0.0.1:32400/:/plugins/com.plexapp.system/messaging/function/X0J1bmRsZVNlcnZpY2U6QWxsU2VydmljZXM_/Y2VyZWFsMQoxCmxpc3QKMApyMAo_/Y2VyZWFsMQoxCmRpY3QKMApyMAo_’
2022-11-10 22:38:56,116 (7f065b458b38) : DEBUG (networking:143) - Requesting ‘http://127.0.0.1:32400
2022-11-10 22:38:56,181 (7f065e87b808) : DEBUG (core:150) - Finished starting framework core
2022-11-10 22:38:56,213 (7f065e87b808) : DEBUG (core:560) - Loading plug-in code
2022-11-10 22:38:56,232 (7f065b49eb38) : ERROR (networking:196) - Error opening URL ‘ttp://127.0.0.1:32400/:/plugins/com.plexapp.system/messaging/function/X0J1bmRsZVNlcnZpY2U6QWxsU2VydmljZXM_/Y2VyZWFsMQoxCmxpc3QKMApyMAo_/Y2VyZWFsMQoxCmRpY3QKMApyMAo_’
2022-11-10 22:38:56,242 (7f065b49eb38) : ERROR (services:272) - Unable to load services from system. Loading from the current bundle only.
2022-11-10 22:38:56,254 (7f065b458b38) : ERROR (networking:196) - Error opening URL ‘ttp://127.0.0.1:32400’
2022-11-10 22:38:56,273 (7f065b458b38) : WARNING (core:541) - Unable to retrieve the machine identifier or server version.
2022-11-10 22:38:56,308 (7f065b49eb38) : DEBUG (services:362) - Loaded services
2022-11-10 22:38:56,649 (7f065b47bb38) : DEBUG (services:438) - No shared code to load
2022-11-10 22:38:57,551 (7f065e87b808) : DEBUG (core:566) - Finished loading plug-in code
2022-11-10 22:38:57,564 (7f065e87b808) : DEBUG (runtime:640) - Adding a prefix handler for ‘System’ (‘/system’)
2022-11-10 22:39:32,046 (7f065e87b808) : INFO (init:35) - Starting System 6d72b0c (Tue Nov 01 09:48:56 UTC 2022)
2022-11-10 22:39:32,052 (7f065e87b808) : DEBUG (runtime:640) - Adding a prefix handler for ‘Player’ (‘/player’)
2022-11-10 22:39:32,072 (7f065e87b808) : INFO (datakit:118) - No default dictionary file
2022-11-10 22:39:32,084 (7f065e87b808) : DEBUG (agentservice:52) - Starting the agent service
2022-11-10 22:39:36,535 (7f065e87b808) : DEBUG (accessor:68) - Creating a new model access point for provider com.plexapp.system in namespace ‘metadata’
2022-11-10 22:39:36,768 (7f065e87b808) : DEBUG (bundleservice:65) - Starting the bundle service
2022-11-10 22:39:36,777 (7f065e87b808) : DEBUG (runtime:1117) - Created a thread named ‘start’
2022-11-10 22:39:36,787 (7f065e87b808) : DEBUG (playerservice:12) - Starting the player service
2022-11-10 22:39:36,799 (7f065e87b808) : DEBUG (flagservice:13) - Starting the media flag service
2022-11-10 22:39:36,817 (7f065e87b808) : DEBUG (runtime:1117) - Created a thread named ‘start’
2022-11-10 22:39:36,825 (7f065e87b808) : DEBUG (peerservice:141) - Starting the peer service
2022-11-10 22:39:36,834 (7f065b282b38) : INFO (agentservice:167) - Agents in com.plexapp.agents.themoviedb not in info dictionary - pinging!
2022-11-10 22:39:36,837 (7f065b2c8b38) : DEBUG (runtime:1117) - Created a thread named ‘ensure_agent_info_exists_inner’
2022-11-10 22:39:36,862 (7f065b282b38) : DEBUG (networking:143) - Requesting ‘http://127.0.0.1:32400/:/plugins/com.plexapp.agents.themoviedb
2022-11-10 22:39:36,910 (7f065b282b38) : ERROR (networking:196) - Error opening URL ‘ttp://127.0.0.1:32400/:/plugins/com.plexapp.agents.themoviedb’
2022-11-10 22:39:36,917 (7f065b282b38) : WARNING (agentservice:169) - We weren’t able to get information from the server about the agents.
2022-11-10 22:39:36,923 (7f065b2c8b38) : DEBUG (runtime:1117) - Created a thread named ‘ensure_agent_info_exists_inner’
2022-11-10 22:39:36,933 (7f065b25fb38) : DEBUG (peerservice:164) - Fetching the current list of servers
2022-11-10 22:39:36,938 (7f065e87b808) : DEBUG (runtime:1117) - Created a thread named ‘refresh_servers’
2022-11-10 22:39:36,944 (7f065b23cb38) : INFO (agentservice:167) - Agents in com.plexapp.agents.localmedia not in info dictionary - pinging!
2022-11-10 22:39:36,949 (7f065b25fb38) : DEBUG (networking:143) - Requesting ‘http://127.0.0.1:32400/servers
2022-11-10 22:39:36,960 (7f065e87b808) : DEBUG (runtime:1150) - Scheduled a timed thread named ‘refresh_servers’
2022-11-10 22:39:36,962 (7f065b23cb38) : DEBUG (networking:143) - Requesting ‘ttp://127.0.0.1:32400/:/plugins/com.plexapp.agents.localmedia’
2022-11-10 22:39:36,999 (7f065e87b808) : DEBUG (streamservice:18) - Starting the stream service
2022-11-10 22:39:37,021 (7f065e87b808) : CRITICAL (runtime:709) - Private handlers are no longer supported; couldn’t register <bound method StreamService.token_handler of <streamservice.StreamService object at 0x7f065a9fd3d0>>
2022-11-10 22:39:37,014 (7f065b2c8b38) : DEBUG (runtime:1117) - Created a thread named ‘ensure_agent_info_exists_inner’
2022-11-10 22:39:37,006 (7f065b25fb38) : ERROR (networking:196) - Error opening URL ‘ttp://127.0.0.1:32400/servers’
2022-11-10 22:39:37,059 (7f065b23cb38) : ERROR (networking:196) - Error opening URL ‘ttp://127.0.0.1:32400/:/plugins/com.plexapp.agents.localmedia’
2022-11-10 22:39:37,068 (7f065b23cb38) : WARNING (agentservice:169) - We weren’t able to get information from the server about the agents.
2022-11-10 22:39:37,078 (7f065e87b808) : DEBUG (runtime:1150) - Scheduled a timed thread named ‘invalidation_timer’
2022-11-10 22:39:37,098 (7f065abebb38) : INFO (agentservice:167) - Agents in com.plexapp.agents.movieposterdb not in info dictionary - pinging!
2022-11-10 22:39:37,116 (7f065b25fb38) : CRITICAL (runtime:1128) - Exception in thread named ‘refresh_servers’ (most recent call last):

It miraculously worked now but now whenever i try to add a library i either get “Your changes couldn’t be saved” or the “add folders” is grayed out and i cannot even choose.

Can you post your server logs and not just an excerpt?

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