Logstashpipelines, Internal API server error, path_info=>"/_node/stats"

Hello, when I start my logstashpipelines service I am getting the following error:
[2021-11-09T10:05:16,268][ERROR][logstash.agent ] Internal API server error {:status=>500, :request_method=>"GET", :path_info=>"/_node/stats", :query_string=>"vertices=true", :http_version=>"HTTP/1.1", :http_accept=>nil, :error=>"Unexpected Internal Error"
You can see the full error here: https://pastebin.com/ZC4f8Z4M

Yet when I visit the get request manually I get the correct JSON output as you can see here: https://pastebin.com/KWDe68se

Interestingly enough, it doesn't seem to affect the pipelines themselves, they are still running correctly. But if anyone has more information why this error is being thrown, or how to solve it that would be very much appreciated.

You may be hitting this issue.

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