neocomplete does not work with Vim 8.2.1066+.
OS: macOs11.2.2 


when i use vim (version:8.2)
when i edit a file,this error out: 
      _**neocomplete does not work with Vim 8.2.1066+.**_ 
then i set autocomplete_method = "deoplete",anthor error is happened :
      <img width="1061" alt="WX20210315-152228@2x" src="https://user-images.githubusercontent.com/8320880/111117280-498b6380-85a2-11eb-9e7b-9b5456159359.png">

then i use neovim(0.4.4)
these errors are gone,but anthor error turn out.
i follow [https://spacevim.org/use-vim-as-a-java-ide/](https://spacevim.org/use-vim-as-a-java-ide/) to set up my java enviroment step by step ,when i use _**Spc l e**_ to Rename symbol ,i see: 


<img width="408" alt="企业微信20210315-152103@2x" src="https://user-images.githubusercontent.com/8320880/111117142-1517a780-85a2-11eb-9dfe-c779dfc59224.png">

I tried to install and configure many times, but failed. Who can help me。
