Apply plugin configuration in init.gradle script

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2

According to that plugin’s README, it looks like you need to have apply plugin: java before applying that plugin.

Try this and please let us know if it works for you — or not:

initscript {
    repositories {
      jcenter()
    }
    dependencies {
      classpath "ca.cutterslade.gradle:gradle-dependency-analyze:1.3.0"
    }
}

allprojects {
    apply plugin: 'java' 
    apply plugin: ca.cutterslade.gradle.analyze.AnalyzeDependenciesPlugin
	
    analyzeClassesDependencies {
        // Set to true to print a warning rather than fail the build if the dependency analysis fails
        justWarn = true
    }

    analyzeTestClassesDependencies {
        // Set to true to print a warning rather than fail the build if the dependency analysis fails
        justWarn = true
    }
}
...

Just an aside: Is there a particular reason why you need the nested repositories{ repositories {...} } blocks?