Living entity build error "cannot find symbol"

C:\Users\Luan\MCreatorWorkspaces\mobscape\src\main\java\red\jeans\mobscape\client\model\Modelfiend.java:21: error: cannot find symbol 
public class Modelfiend<T extends fiend> extends EntityModel<T> { 
                                  ^ 
  symbol: class fiend 
1 error 
> Task :compileJava FAILED 
[Incubating] Problems report is available at: file:///C:/Users/Luan/MCreatorWorkspaces/mobscape/build/reports/problems/problems-report.html ]: ] 
FAILURE: Build failed with an exception. 
* What went wrong: 
Execution failed for task ':compileJava'. 
> Compilation failed; see the compiler output below. 
C:\Users\Luan\MCreatorWorkspaces\mobscape\src\main\java\red\jeans\mobscape\client\model\Modelfiend.java:21: error: cannot find symbol 
  public class Modelfiend<T extends fiend> extends EntityModel<T> { 
                                    ^ 
    symbol: class fiend 
  Note: Recompile with -Xlint:unchecked for details. 
  1 error 
* Try: 
> Check your code and dependencies to fix the compilation error(s) 
> Run with --scan to get full insights. 
BUILD FAILED in 34s

Always gives me this error. I've disabled antiviruses, firewalls, regenerated gradle cache, reinserted the entity's model and nothing changes.

I've searcher for solutions on MCreator forums but none of them helped me out.