AWAITING RESPOND Minecord exception

[GERTRUDEpoule]

Hello,
I downloaded Minecord at https://www.blackspigot.com/downloads/minecord-proximity-voice-chat.24499/ but when I start my server I have this exeption:

Downloading library 'JDA-4.2.0_168', this may take some moments... [15:01:20] [Server thread/ERROR]: Cannot invoke "java.net.HttpURLConnection.getInputStream()" because "httpURLConnection" is null initializing Minecord v1.7.15_3 (Is it up to date?) java.lang.NullPointerException: Cannot invoke "java.net.HttpURLConnection.getInputStream()" because "httpURLConnection" is null at me.spomg.libraries.plugin.libraries.LibrariesManager.download(LibrariesManager.java:37) ~[?:?] at me.spomg.plugins.Minecord.onLoad(Minecord.java:77) ~[?:?] at me.spomg.libraries.plugin.load.PluginBootstrap.onLoad(PluginBootstrap.java:18) ~[?:?] at org.bukkit.craftbukkit.v1_18_R2.CraftServer.loadPlugins(CraftServer.java:412) ~[spigot-1.18.2-R0.1-SNAPSHOT.jar:3498-Spigot-b081915-10ba1be] at net.minecraft.server.dedicated.DedicatedServer.e(DedicatedServer.java:232) ~[spigot-1.18.2-R0.1-SNAPSHOT.jar:3498-Spigot-b081915-10ba1be] at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:1007) ~[spigot-1.18.2-R0.1-SNAPSHOT.jar:3498-Spigot-b081915-10ba1be] at net.minecraft.server.MinecraftServer.lambda$0(MinecraftServer.java:304) ~[spigot-1.18.2-R0.1-SNAPSHOT.jar:3498-Spigot-b081915-10ba1be] at java.lang.Thread.run(Thread.java:833) [?:?]

Cloud you help me pls ?
Thx