Just tried to build my mod and am getting a No Such version exists error pointing to line 25 of the build.gradle file.  This line is the forge version line.

 

Stack trace error

FAILURE: Build failed with an exception.

* Where:
Build file 'C:\Users\User\Documents\Minecraft forge\1.7.10_DamPower\build.gradle' line: 25

* What went wrong:
A problem occurred evaluating root project '1.7.10_DamPower'.
> No such version exists!

* Try:
Run with --info or --debug option to get more log output.

* Exception is:
org.gradle.api.GradleScriptException: A problem occurred evaluating root project '1.7.10_DamPower'.
at org.gradle.groovy.scripts.internal.DefaultScriptRunnerFactory$ScriptRunnerImpl.run(DefaultScriptRunnerFactory.java:54)
at org.gradle.configuration.DefaultScriptPluginFactory$ScriptPluginImpl.apply(DefaultScriptPluginFactory.java:187)
at org.gradle.configuration.project.BuildScriptProcessor.execute(BuildScriptProcessor.java:39)
at org.gradle.configuration.project.BuildScriptProcessor.execute(BuildScriptProcessor.java:26)
at org.gradle.configuration.project.ConfigureActionsProjectEvaluator.evaluate(ConfigureActionsProjectEvaluator.java:34)
at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:55)
at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:470)
at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:79)
at org.gradle.configuration.DefaultBuildConfigurer.configure(DefaultBuildConfigurer.java:31)
at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:128)
at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:105)
at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:85)
at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:81)
at org.gradle.launcher.cli.ExecuteBuildAction.run(ExecuteBuildAction.java:33)
at org.gradle.launcher.cli.ExecuteBuildAction.run(ExecuteBuildAction.java:24)
at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:39)
at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:29)
at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:50)
at org.gradle.internal.Actions$RunnableActionAdapter.execute(Actions.java:171)
at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:237)
at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:210)
at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:35)
at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:24)
at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:206)
at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:169)
at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:33)
at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:22)
at org.gradle.launcher.Main.doAction(Main.java:33)
at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45)
at org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBootstrap.java:54)
at org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.java:35)
at org.gradle.launcher.GradleMain.main(GradleMain.java:23)
at org.gradle.wrapper.BootstrapMainStarter.start(BootstrapMainStarter.java:30)
at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:127)
at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:56)
Caused by: net.minecraftforge.gradle.GradleConfigurationException: No such version exists!
at net.minecraftforge.gradle.user.patch.UserPatchExtension.checkAndSetVersion(UserPatchExtension.java:170)
at net.minecraftforge.gradle.user.patch.UserPatchExtension.setVersion(UserPatchExtension.java:81)
at net.minecraftforge.gradle.user.patch.UserPatchExtension_Decorated.setVersion(Unknown Source)
at org.gradle.api.internal.BeanDynamicObject$MetaClassAdapter.setProperty(BeanDynamicObject.java:187)
at org.gradle.api.internal.BeanDynamicObject.setProperty(BeanDynamicObject.java:112)
at org.gradle.api.internal.CompositeDynamicObject.setProperty(CompositeDynamicObject.java:101)
at net.minecraftforge.gradle.user.patch.UserPatchExtension_Decorated.setProperty(Unknown Source)
at build_5mpvjavmuqlolqtj20lis32pao$_run_closure1.doCall(C:\Users\User\Documents\Minecraft forge\1.7.10_DamPower\build.gradle:25)
at org.gradle.api.internal.ClosureBackedAction.execute(ClosureBackedAction.java:59)
at org.gradle.api.internal.plugins.ExtensionsStorage$ExtensionHolder.configure(ExtensionsStorage.java:145)
at org.gradle.api.internal.plugins.ExtensionsStorage.configureExtension(ExtensionsStorage.java:69)
at org.gradle.api.internal.plugins.DefaultConvention$ExtensionsDynamicObject.invokeMethod(DefaultConvention.java:207)
at org.gradle.api.internal.CompositeDynamicObject.invokeMethod(CompositeDynamicObject.java:147)
at org.gradle.groovy.scripts.BasicScript.methodMissing(BasicScript.java:79)
at build_5mpvjavmuqlolqtj20lis32pao.run(C:\Users\User\Documents\Minecraft forge\1.7.10_DamPower\build.gradle:24)
at org.gradle.groovy.scripts.internal.DefaultScriptRunnerFactory$ScriptRunnerImpl.run(DefaultScriptRunnerFactory.java:52)
... 34 more


BUILD FAILED

Total time: 5.36 secs

 

build.gradle

buildscript {
    repositories {
        mavenCentral()
        maven {
            name = "forge"
            url = "http://files.minecraftforge.net/maven"
        }
        maven {
            name = "sonatype"
            url = "https://oss.sonatype.org/content/repositories/snapshots/"
        }
    }
    dependencies {
        classpath 'net.minecraftforge.gradle:ForgeGradle:1.2-SNAPSHOT'
    }
}

apply plugin: 'forge'

version = "MC1.7.10_DP1.0.8.1448"
group= "com.eractnod.dampower" // http://maven.apache.org/guides/mini/guide-naming-conventions.html
archivesBaseName = "dampower"

minecraft {
    version = "1.7.10-10.13.4.1448-1.7.10"
    runDir = "eclipse"
}

dependencies {
    // you may put jars on which you depend on in ./libs
    // or you may define them like so..
    //compile "some.group:artifact:version:classifier"
    //compile "some.group:artifact:version"
      
    // real examples
    //compile 'com.mod-buildcraft:buildcraft:6.0.8:dev'  // adds buildcraft to the dev env
    //compile 'com.googlecode.efficient-java-matrix-library:ejml:0.24' // adds ejml to the dev env

    // for more info...
    // http://www.gradle.org/docs/current/userguide/artifact_dependencies_tutorial.html
    // http://www.gradle.org/docs/current/userguide/dependency_management.html

}

processResources
{
    // this will ensure that this task is redone when the versions change.
    inputs.property "version", project.version
    inputs.property "mcversion", project.minecraft.version

    // replace stuff in mcmod.info, nothing else
    from(sourceSets.main.resources.srcDirs) {
        include 'mcmod.info'
                
        // replace version and mcversion
        expand 'version':project.version, 'mcversion':project.minecraft.version
    }
        
    // copy everything else, thats not the mcmod.info
    from(sourceSets.main.resources.srcDirs) {
        exclude 'mcmod.info'
    }
}

 

So I downloaded the source code again and tried to run gradlew setupDecompWorkspace and getting the same fault on a fresh start.

I was able to build this mod yesterday with no issues.

 

Edit:  I had to reboot my computer.  It built after the reboot.

 

Abrar broke shit, its fixed now.