Minecraft Error / Nitrado Server?

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- in Mods
1

I wanted to install a Minecraft FTB Beyond Server on Nitrado, and match the modpack on the Curse / Twitch Launcher. I've selected the Curse Launcher (FTB) on Nitrado, so everything fits. Started the launcher, selected the modpack (so the profile of it), but if I want to go to the server, both have the same version, comes the following message. (Image 1)

Minecraft Error Nitrado Server

What is it? Have Minecraft FTB Beyond (Picture 2) selected.

Minecraft Error Nitrado Server - 1

Do not know if this matters, but have Forge 12.18.3.2422 version.
Really have no idea what to do, does anyone know anything?

Co

In the server and client log your error should be better described, but this indicates missing mods or wrong versions.

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