Error: disconnecting: NullReferenceException at UIBlueprints.UpdateBlueprints

Hello a respected forum. Decided to open its server. But when connecting to the server you get the following error: "disconnecting: NullReferenceException: Object reference not set to an instance of an object"
I thought that it is connected with plugins, pumped over the server without oxide and all the same gives an error
Here are screenshots. (Sorry, couldn't load screenshots normally)
Console: https://prnt.sc/mbdiha

Client: http://prntscr.com/mbdivo

This doesn't look umod related, try verifying the game files in Steam.
I have already checked the integrity of the files, all files were checked normally

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Can this error be corrected?
In response to ():
I have already checked the integrity of the files, all files were checked normally

Merged...
You can reset blueprints (globally or for 1 player only)
In response to Orange ():
You can reset blueprints (globally or for 1 player only)
How can this be done?

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On other servers at me comes without problems, and on local doesn't want at all

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I understand this error is generally rare and how to fix it no one knows
In response to ():
How can this be done?

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On other servers at me comes without problem...
delete "Players.blueprints.3.db" file in your server's folder to reset blueprints for all the players.
Also you may need to check server's files by running "app_update 258550 -validate" in steamcmd !Don't forget the -validate key!
In response to 2CHEVSKII ():
delete "Players.blueprints.3.db" file in your server's folder to reset blueprints for all the player...
Already done these operations, even pumped the server, but all to no avail
In response to ():
Already done these operations, even pumped the server, but all to no avail
This error is really hard to reproduce tho. You say it happens when you start your local server? Try to enter it by client which IS NOT the host-pc (some other pc in your LAN or ask a friend to join (if you have a straight IP or port-forwarded))
What are the plugin names, you are running on your server?
In response to Tricky ():
What are the plugin names, you are running on your server?
I dont think its plugin issue, look at console
In response to Orange ():
I dont think its plugin issue, look at console
my bad, Didn't see the console
In response to ():
Hello a respected forum. Decided to open its server. But when connecting to the server you get the f...
Do you tryed to reinstall server? Where is your hosting? Dedicated / VPS / Hosting?
In response to Orange ():
Do you tryed to reinstall server? Where is your hosting? Dedicated / VPS / Hosting?
I've reinstalled the server a couple of times. The server to be at me on the PC, I only configure it. Long ago did RUST of the server, never was errors.

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When I connect to another server, and then try to go to your, you get this error - http://prntscr.com/mcswgz
In response to ():
I've reinstalled the server a couple of times. The server to be at me on the PC, I only configure it...
Don't know, maybe It's Unity related issue (something wrong with loading game files). Have You got any anti-virus software installed? (Windows defender or ever Windows SmartScreen might be the cause)
In response to 2CHEVSKII ():
Don't know, maybe It's Unity related issue (something wrong with loading game files). Have You got a...
I do not use antivirus, only sometimes scan the PC

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How do I fix this error, because of it I can not configure the server UI + check your plugins