Can't add Plugin

Hello everyone from .
I wanted to ask why I can't add:
https://aternos.org/addons/a/spigot/65458
plugin to my server ?
Is it cause UltraCustomizer+ is a plugin does not have direct download link from spigot ?
THANK YOU TO READ MY THREAD

Quote from Joshy | #galaxymax

Assuming you are trying to install the plugin but it wont:

Make sure you are installing the plugin while the server is offline, than start the server.

There are some issues regarding plugin installation while server's are online ( for some servers, or all. I'm not sure )

I think its cause of the external link
its not a direct download link cause it does not work

Quote from juljeryt

Reinstall Spigot / Bukkit

Spigot: https://aternos.org/software/spigot/

Bukkit: https://aternos.org/software/papermc/

I don't know if it will work for you but it has worked

Regards JULJERYT

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I m using paper server so reinstalling paper could help ?

Quote from Joshy | #galaxymax

I would not recommend using this to fix the problem.

Have you tried what i told you?

yes

and no plugin was generated in the folder

Quote from juljeryt

It worked, but I don't know about you

there where 2 plugins with similar names 1 is addon and the other is main
Main: https://aternos.org/addons/a/s…lly-controllable-via-guis
Addon: https://aternos.org/addons/a/spigot/65458


and i want the addon is not getting generated in my plugins folder