what does Failed to list versions for net.minecraftforge.gradle:ForgeGradle mean

this was a error whith building updateing from 1.17.1 to 1.18.2 i got this :
 
Executing Gradle task: eclipse build 
Build info: MCreator 2022.1.20510, forge-1.18.2, 64-bit, 8097 MB, Windows 10, JVM 17.0.1, JAVA_HOME: D:\Pylo\MCreator\jdk, started on: 2022-06-25-10:48:56 
  
FAILURE: Build failed with an exception. 
* What went wrong: 
A problem occurred configuring root project 'pokeys_forge_mod'. 
> Could not resolve all files for configuration ':classpath'. 
   > Could not resolve net.minecraftforge.gradle:ForgeGradle:5.1.+. 
     Required by: 
         project : 
      > Failed to list versions for net.minecraftforge.gradle:ForgeGradle. 
         > Unable to load Maven meta-data from https://maven.minecraftforge.net/net/minecraftforge/gradle/ForgeGradle/…;
            > Could not GET 'https://maven.minecraftforge.net/net/minecraftforge/gradle/ForgeGradle/…;
               > No such host is known (maven.minecraftforge.net) 
      > Failed to list versions for net.minecraftforge.gradle:ForgeGradle. 
         > Unable to load Maven meta-data from https://repo.maven.apache.org/maven2/net/minecraftforge/gradle/ForgeGra…;
            > Could not GET 'https://repo.maven.apache.org/maven2/net/minecraftforge/gradle/ForgeGra…;
               > No such host is known (repo.maven.apache.org) 
* 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 28s 
  
BUILD FAILED 
Task completed in 3 minutes and 1 second