The Universal.jar only start for 2 seconds

When creating a modded server I first ran the installer to get the other files. when the universal jar is created I tried to run that one, but it only worked for two second and then stopped. no extra files were created as it normally should.

[15Jun2021 15:51:08.057] ain/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher running: args [--gameDir, ., --launchTarget, fmlserver, --fml.forgeVersion, 36.1.0, --fml.mcpVersion, 20210115.111550, --fml.mcVersion, 1.16.5, --fml.forgeGroup, net.minecraftforge, nogui]
[15Jun2021 15:51:08.060] ain/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher 8.0.9+86+master.3cf110c starting: java version 16.0.1 by OpenJDK BSD Porting Team

This is the only log messages I get.

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