aria2 integration parse error

Version 1.46.0
Installed into a Proxmox LXC
https://community-scripts.github.io/ProxmoxVE/scripts?id=homarr

I am getting an error when configuring the aria2 integration.

I am using the (internal) URL: http://192.168.8.10:6880
I assumed the "API Key" is the "Aria2 RPC Secret Token", but I am getting the following error when I save/test.

o: Unable to connect to the integration
caused by t: Failed to parse data:
Failed to parse json
caused by SyntaxError: Unexpected token '<', "<html>
<h"... is not valid JSON

I have reviewed the documentation here:
https://homarr.dev/docs/integrations/aria2/

Any help would be appreciated. I did have this working on a previous docker installation, but I am now using an LXC.

The logs do not show any errors:
2025-12-18T14:09:32.790Z info: A tRPC client has connected to the logging procedure
2025-12-18T14:09:42.010Z debug: Subscribing to redis channel channel='pubSub:logging'
2025-12-18T14:09:42.010Z debug: Adding redis channel callback channel='pubSub:logging' id=[redacted]
2025-12-18T14:09:42.010Z info: A tRPC client has connected to the logging procedure
2025-12-18T14:10:07.737Z info: A tRPC client has connected to the logging procedure
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Solution
It would be great if the docs indicated what aria2 calls the API Key. In any case it looks like the issue was with the auto-generated "secret" (it ended with an equal [=] character) which breaks the integration. After I changed the secret, it worked without error.
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