Failed to download asset

So I just installed MCreator and tried to make a new Workspace and I'm getting this error. I've shutdown my Antivirus and Firewall, still get the error.

Executing
    Gradle task: eclipse

Build
    info: MCreator 2020.5.47520, forge-1.15.2, 64-bit, 16360 MB, Windows 10,
    JVM 1.8.0_265, JAVA_HOME: C:\Program Files\Pylo\MCreator\jdk

>
    Configure project :

New
    Dep: net.minecraftforge:forge:1.15.2-31.2.0_mapped_snapshot_20200514-1.15.1

>
    Task :downloadMcpConfig

>
    Task :extractSrg UP-TO-DATE

>
    Task :createSrgToMcp UP-TO-DATE

>
    Task :downloadMCMeta UP-TO-DATE

Copying
    local object: e3/e3c2a0461bb6f962059815fe4e4865e488d2ce28 Asset:
    minecraft/lang/is_is.json

minecraft/lang/is_is.json
    Hash failed.

>
    Task :downloadAssets FAILED

FAILURE:
    Build failed with an exception.

*
    What went wrong:

Execution
    failed for task ':downloadAssets'.

>
    Failed to get asset: minecraft/lang/is_is.json

 
     Some assets failed to download or validate, try running the task again.

*
    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 9s

5
    actionable tasks: 2 executed, 3 up-to-date

BUILD
    FAILED

Task
    completed in 11421 milliseconds