I'm using an old version of Android Studio, 3.1.6.

This error appears when the gradle project sync failed. I also have a new version of android studio installed, I dont know if this could be related, I have apps in both versions.

Here i pasted part of the error because is longer but it's the same error but with another url.

I pasted another screenshots of my gradle version, I'm not an expert so i dont know if it's all the info I should give.

Build.Gradle screenshot

Android Gradle Plugin Version

> Could not resolve all artifacts for configuration ':classpath'. > Could not resolve org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.72. Required by: project : > Could not resolve org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.72. > Could not get resource 'https://repo.maven.apache.org/maven2/org/jetbrains/kotlin/kotlin-gradle-plugin/1.3.72/kotlin-gradle-plugin-1.3.72.pom'. > Could not HEAD 'https://repo.maven.apache.org/maven2/org/jetbrains/kotlin/kotlin-gradle-plugin/1.3.72/kotlin-gradle-plugin-1.3.72.pom'. > sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target > Could not resolve org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.20. Required by: project : > com.android.tools.build:gradle:3.3.1 project : > com.android.tools.build:gradle:3.3.1 > com.android.tools.build:builder:3.3.1 project : > com.android.tools.build:gradle:3.3.1 > com.android.tools.analytics-library:shared:26.3.1 project : > com.android.tools.build:gradle:3.3.1 > com.android.tools.lint:lint-gradle-api:26.3.1 project : > com.android.tools.build:gradle:3.3.1 > com.android.tools.build:gradle-api:3.3.1 project : > com.android.tools.build:gradle:3.3.1 > androidx.databinding:databinding-compiler-common:3.3.1 project : > com.android.tools.build:gradle:3.3.1 > com.android.tools.build:builder:3.3.1 > com.android.tools:sdk-common:26.3.1 project : > com.android.tools.build:gradle:3.3.1 > com.android.tools.build:builder:3.3.1 > com.android.tools:common:26.3.1 project : > com.android.tools.build:gradle:3.3.1 > com.android.tools.build:builder:3.3.1 > com.android.tools.build:manifest-merger:26.3.1 project : > com.android.tools.build:gradle:3.3.1 > com.android.tools.build:builder:3.3.1 > com.android.tools.analytics-library:tracker:26.3.1 project : > com.android.tools.build:gradle:3.3.1 > com.android.tools.build:builder:3.3.1 > com.android.tools:sdklib:26.3.1 > com.android.tools:repository:26.3.1 > Could not resolve org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.20. > Could not get resource 'https://repo.maven.apache.org/maven2/org/jetbrains/kotlin/kotlin-stdlib-jdk8/1.3.20/kotlin-stdlib-jdk8-1.3.20.pom'. > Could not GET 'https://repo.maven.apache.org/maven2/org/jetbrains/kotlin/kotlin-stdlib-jdk8/1.3.20/kotlin-stdlib-jdk8-1.3.20.pom'. > sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

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