I cant make mobs.

Whenever I trie to make a mob it says that it has an error in it. It does this every single time no matter what.

Is there some way to fix this. If there is I could realy use some help. heres the gradle log.

Executing gradle command: clean build
Microsoft Windows [Version 10.0.10586]
(c) 2015 Microsoft Corporation. All rights reserved.
C:\Users\Mikey\Desktop\MCreator 1.7.1 [1.10.2] Windows 64bit>cd forge
C:\Users\Mikey\Desktop\MCreator 1.7.1 [1.10.2] Windows 64bit\forge>SET "JAVA_HOME=C:\Users\Mikey\Desktop\MCreator 1.7.1 [1.10.2] Windows 64bit\jdk64\"
C:\Users\Mikey\Desktop\MCreator 1.7.1 [1.10.2] Windows 64bit\forge>SET JAVA_EXE=%JAVA_HOME%\bin\java.exe
C:\Users\Mikey\Desktop\MCreator 1.7.1 [1.10.2] Windows 64bit\forge>SET PATH=%JAVA_HOME%\bin\;%PATH%
C:\Users\Mikey\Desktop\MCreator 1.7.1 [1.10.2] Windows 64bit\forge>gradlew -Dorg.gradle.jvmargs="-Xms625m -Xmx2048m" clean build
To honour the JVM settings for this build a new JVM will be forked. Please consider using the daemon: https://docs.gradle.org/2.14/userguide/gradle_daemon.html.
This mapping 'snapshot_20160518' was designed for MC 1.9.4! Use at your own peril.
#################################################
         ForgeGradle 2.2-SNAPSHOT-c438b06        
  https://github.com/MinecraftForge/ForgeGradle  
#################################################
               Powered by MCP unknown               
             http://modcoderpack.com             
         by: Searge, ProfMobius, Fesh0r,         
         R4wk, ZeuX, IngisKahn, bspkrs           
#################################################
:clean
:deobfCompileDummyTask
:deobfProvidedDummyTask
:sourceApiJava
:compileApiJava UP-TO-DATE
:processApiResources UP-TO-DATE
:apiClasses UP-TO-DATE
:sourceMainJava
C:\Users\Mikey\Desktop\MCreator 1.7.1 [1.10.2] Windows 64bit\forge\build\sources\main\java\mod\mcreator\mcreator_fish.java:201: error: variable Shape2 is already defined in class Modelfish
      ModelRenderer Shape2;
                    ^
C:\Users\Mikey\Desktop\MCreator 1.7.1 [1.10.2] Windows 64bit\forge\build\sources\main\java\mod\mcreator\mcreator_fish.java:203: error: variable Shape3 is already defined in class Modelfish
      ModelRenderer Shape3;
                    ^
C:\Users\Mikey\Desktop\MCreator 1.7.1 [1.10.2] Windows 64bit\forge\build\sources\main\java\mod\mcreator\mcreator_fish.java:101: error: incompatible types: Entityfish cannot be converted to EntityCreature
         this.tasks.addTask(6, new EntityAIWander(this, 1.0D));
                                                  ^
C:\Users\Mikey\Desktop\MCreator 1.7.1 [1.10.2] Windows 64bit\forge\build\sources\main\java\mod\mcreator\mcreator_fish.java:103: error: incompatible types: Entityfish cannot be converted to EntityCreature
         this.tasks.addTask(10, new EntityAIWander(this, 0.8D));
                                                   ^
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
4 errors
:compileJava FAILED
FAILURE: Build failed with an exception.
BUILD FAILED
* WhatExecution faiTotal time: 10.395 secs
led for task ':compileJava'.
 went wrong:
> Compilation failed; see the compiler error output for details.
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
C:\Users\Mikey\Desktop\MCreator 1.7.1 [1.10.2] Windows 64bit\forge>