Software⏱️ 2 min read📅 2026-05-30

How to Fix: A failure occurred while executing org.jetbrains.kotlin.gradle.internal.KaptExecution

ANTLR Tool version mismatch in Android Studio

Quick Answer: Update Android Studio to the latest version or downgrade ANTLR tool to match the current runtime version.

📋 Table of Contents

  1. 🔍 Why This Happens
  2. 🔧 Proven Troubleshooting Steps
  3. 💡 Conclusion

The error you're encountering is due to a mismatch between the version of the ANTLR tool used for code generation and the current runtime version. This issue typically arises after updating Android Studio, as you've mentioned.

🔍 Why This Happens

  • [Cause]

🔧 Proven Troubleshooting Steps

Method 1: Update ANTLR Tool Version

  1. Step 1: Open the Android Studio terminal and run the command `gradle :app:kaptDebugKotlin` to check the current ANTLR tool version.

Method 2: Update Gradle Script

  1. Step 1: Open the `build.gradle` file and update the `kapt` configuration to use the correct ANTLR tool version, for example: `kapt 'org.jetbrains.kotlin:compiler:1.6.10'`.

💡 Conclusion

By following these steps, you should be able to resolve the issue and get your project running smoothly again.

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