Modrinth Issues

Im having issues with modrinth, specifically with 1.18.2 forge. I made a new instance to test and this is the error im getting.

# Minecraft launcher log started at 2025-07-05 18:25:11
# Profile: isle

Exception in thread "main" java.lang.IllegalAccessException: class com.modrinth.theseus.MinecraftLaunch cannot access class cpw.mods.bootstraplauncher.BootstrapLauncher (in module cpw.mods.bootstraplauncher) because module cpw.mods.bootstraplauncher does not export cpw.mods.bootstraplauncher to unnamed module @ee7d9f1 
at java.base/jdk.internal.reflect.Reflection.newIllegalAccessException(Unknown Source)
at java.base/java.lang.reflect.AccessibleObject.checkAccess(Unknown Source)
at java.base/java.lang.reflect.Method.invoke(Unknown Source)
at com.modrinth.theseus.MinecraftLaunch.relaunch(MinecraftLaunch.java:86)
at com.modrinth.theseus.MinecraftLaunch.main(MinecraftLaunch.java:17)
# Process exited with status: exit code: 1

This instance has no mods on it. I dont know whats wrong as I am not the brightest when it comes to launcher logs. Please help!!