crashing on startup after first startup

[AFunkyMonk]

problem

On first startup it worked fine. Then i changed some settings which worked.
After i restarted it continued to crash on startup.

error log

12.06 23:57:14 [Server] Server thread/ERROR Encountered an unexpected exception
12.06 23:57:14 [Server] INFO java.lang.NullPointerException: Cannot invoke "java.lang.ClassLoader.getResourceAsStream(String)" because the return value of "java.lang.Class.getClassLoader()" is null
12.06 23:57:14 [Server] INFO at it.multicoredev.carpetredcraftaddons.util.DatapackUtil.copyElementFromJar(DatapackUtil.java:246) ~[carpet-redcraft-addons-1.19-1.4.79+v220609.jar:?]
12.06 23:57:14 [Server] INFO at it.multicoredev.carpetredcraftaddons.util.DatapackUtil.copyElement(DatapackUtil.java:234) ~[carpet-redcraft-addons-1.19-1.4.79+v220609.jar:?]
12.06 23:57:14 [Server] INFO at it.multicoredev.carpetredcraftaddons.util.DatapackUtil.updateRule(DatapackUtil.java:200) ~[carpet-redcraft-addons-1.19-1.4.79+v220609.jar:?]
12.06 23:57:14 [Server] INFO at it.multicoredev.carpetredcraftaddons.util.DatapackUtil.registerRule(DatapackUtil.java:189) ~[carpet-redcraft-addons-1.19-1.4.79+v220609.jar:?]
12.06 23:57:14 [Server] INFO at it.multicoredev.carpetredcraftaddons.util.DatapackUtil.initializeRules(DatapackUtil.java:169) ~[carpet-redcraft-addons-1.19-1.4.79+v220609.jar:?]
12.06 23:57:14 [Server] INFO at it.multicoredev.carpetredcraftaddons.util.DatapackUtil.initializeDatapack(DatapackUtil.java:133) ~[carpet-redcraft-addons-1.19-1.4.79+v220609.jar:?]
12.06 23:57:14 [Server] INFO at it.multicoredev.carpetredcraftaddons.CarpetRedCraftExtension.onServerLoadedWorlds(CarpetRedCraftExtension.java:52) ~[carpet-redcraft-addons-1.19-1.4.79+v220609.jar:?]
12.06 23:57:14 [Server] INFO at carpet.CarpetServer.lambda$onServerLoadedWorlds$3(CarpetServer.java:108) ~[fabric-carpet-1.19-1.4.79+v220607.jar:?]
12.06 23:57:14 [Server] INFO at java.util.ArrayList.forEach(ArrayList.java:1511) ~[?:?]
12.06 23:57:14 [Server] INFO at carpet.CarpetServer.onServerLoadedWorlds(CarpetServer.java:108) ~[fabric-carpet-1.19-1.4.79+v220607.jar:?]
12.06 23:57:14 [Server] INFO at net.minecraft.server.MinecraftServer.handler$zgf000$serverLoadedWorlds(MinecraftServer.java:2287) ~[server-intermediary.jar:?]
12.06 23:57:14 [Server] INFO at net.minecraft.server.MinecraftServer.method_3735(MinecraftServer.java:331) ~[server-intermediary.jar:?]
12.06 23:57:14 [Server] INFO at net.minecraft.class_3176.method_3823(class_3176.java:172) ~[server-intermediary.jar:?]
12.06 23:57:14 [Server] INFO at net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:637) ~[server-intermediary.jar:?]
12.06 23:57:14 [Server] INFO at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:258) ~[server-intermediary.jar:?]
12.06 23:57:14 [Server] INFO at java.lang.Thread.run(Thread.java:831) [?:?]