Workspace setupfailed

i has this problem : 

Executing 
    Gradle task: eclipse

Build 
    info: MCreator 2020.5.46519, forge-1.15.2, 64-bit, 3977 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: 27/27fcacc68bb77f01b23ea9c9d36d9018f8509cdf Asset: 
    minecraft/sounds/music/game/end/credits.ogg

minecraft/sounds/music/game/end/credits.ogg 
    Hash failed.

Copying 
    local object: ee/ee92e4ed79b3c4c47eabe71b36375b5d3f05b017 Asset: 
    minecraft/sounds/music/game/water/axolotl.ogg

Copying 
    local object: 6b/6be4491a5d1a5f0dd68fb36c310ecfe3501cafe1 Asset: 
    minecraft/sounds/music/game/water/dragon_fish.ogg

minecraft/sounds/music/game/water/axolotl.ogg 
    Hash failed.

minecraft/sounds/music/game/water/dragon_fish.ogg 
    Hash failed.

> 
    Task :downloadAssets FAILED

FAILURE: 
    Build failed with an exception.

* 
    What went wrong:

Execution 
    failed for task ':downloadAssets'.

> 
    Failed to get asset: minecraft/sounds/music/game/end/credits.ogg

 
     Failed to get asset: minecraft/sounds/music/game/water/axolotl.ogg

 
     Failed to get asset: minecraft/sounds/music/game/water/dragon_fish.ogg

 
     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 52s

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

BUILD 
    FAILED

Task 
    completed in 76663 milliseconds