# NoSuchFieldError

{% hint style="warning" %}
`Error occurred while enabling ItemsAdder v2.5.4-beta2 (Is it up to date?)`\
`java.lang.NoSuchFieldError: MC1_18_R1`
{% endhint %}

如果有类似的报错，你需要更新 [LoneLibs](https://www.spigotmc.org/resources/lonelibs.75974/).
