[02:18:22] [Snivyer1910/INFO]: [STDERR]: java.lang.LinkageError: loader constraint violation: when resolving method 'boolean com.mojang.authlib.properties.PropertyMap.putAll(com.google.common.collect.Multimap)' the class loader net.fabricmc.loader.launch.knot.KnotClassLoader @554e218 of the current class, customskinloader/loader/MojangAPILoader, and the class loader 'app' for the method's defining class, com/google/common/collect/ForwardingMultimap, have different Class objects for the type com/google/common/collect/Multimap used in the signature (customskinloader.loader.MojangAPILoader is in unnamed module of loader net.fabricmc.loader.launch.knot.KnotClassLoader @554e218, parent loader net.fabricmc.loader.launch.knot.KnotClassLoader$DynamicURLClassLoader @6f63b475; com.google.common.collect.ForwardingMultimap is in unnamed module of loader 'app')
[02:18:22] [Snivyer1910/INFO]: [STDERR]:    at customskinloader.loader.MojangAPILoader.fillGameProfile(MojangAPILoader.java:93)
[02:18:22] [Snivyer1910/INFO]: [STDERR]:    at customskinloader.loader.MojangAPILoader.loadProfile(MojangAPILoader.java:46)
[02:18:22] [Snivyer1910/INFO]: [STDERR]:    at customskinloader.CustomSkinLoader.loadProfile0(CustomSkinLoader.java:122)
[02:18:22] [Snivyer1910/INFO]: [STDERR]:    at customskinloader.CustomSkinLoader.loadProfile(CustomSkinLoader.java:88)
[02:18:22] [Snivyer1910/INFO]: [STDERR]:    at customskinloader.fake.FakeSkinManager.lambda$loadProfileTextures$1(FakeSkinManager.java:69)
[02:18:22] [Snivyer1910/INFO]: [STDERR]:    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[02:18:22] [Snivyer1910/INFO]: [STDERR]:    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[02:18:22] [Snivyer1910/INFO]: [STDERR]:    at java.base/java.lang.Thread.run(Unknown Source)