at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_51]
at java.lang.ClassLoader.defineClass(ClassLoader.java:760) ~[?:1.8.0_51]
at java.lang.ClassLoader.defineClass(ClassLoader.java:642) ~[?:1.8.0_51]
This indicates a missing geckolib.
Also, unfortunately, I can't help you with plugins, so you may need to rely on the support of the plugin author, as I do not have the knowledge of the plugin.
well at the end it says wrong format, maybe ur mod names arent english or with weird symbols? idk
Seems you do not have geckolib, but made your mod require it
I changed the name of the mod, but it doesn’t mark.
I added the GeckoLib mod but it still marks the same error message.
The mod name does not have to be in English.
This indicates a missing geckolib.
Also, unfortunately, I can't help you with plugins, so you may need to rely on the support of the plugin author, as I do not have the knowledge of the plugin.