my mod got corrupted

so i updated from 2020.5 to 2021.1 and i updated my mod to 1.16.5 and it got corrupted

heres the code

Executing 
    Gradle task: eclipse

Build 
    info: MCreator 2021.1.18117, forge-1.16.5, 64-bit, 16015 MB, Windows 10, 
    JVM 1.8.0_275, JAVA_HOME: C:\Program Files\Pylo\MCreator\jdk

FAILURE: 
    Build failed with an exception.

* 
    What went wrong:

A 
    problem occurred configuring root project 'mod'.

> 
    Failed to create Jar file 
    C:\Users\watch\.mcreator\gradle\caches\jars-8\27b845a97672da5fb860debcd14e3cd2\fastutil-8.3.1.jar.

* 
    Try:

Run 
    with --stacktrace option to get the stack trace. Run with --info or 
    --debug option to get more log output. Run with --scan to get full 
    insights.

* 
    Get more help at https://help.gradle.org

BUILD 
    FAILED in 3s

BUILD 
    FAILED

Task 
    completed in 3 seconds

if someone can help please do it and the version i used to have is 1.15.2