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Errors in Android

Error:Timeout waiting to lock buildscript class cache for build file 'F:\MARY SUDHA\Inside Workspace\Playstore-IGC\IG_9_1.8\tourguide\build.gradle' (C:\Users\IG\.gradle\caches\2.2.1\scripts\build_f3lw4lau3wiijmaef0tz0omcy\ProjectScript\buildscript). It is currently in use by another Gradle instance.
Owner PID: unknown
Our PID: 6052
Owner Operation: unknown
Our operation: Initialize cache
Lock file: C:\Users\IG\.gradle\caches\2.2.1\scripts\build_f3lw4lau3wiijmaef0tz0omcy\ProjectScript\buildscript\cache.properties.lock


Delete cache.properties.lock after closing Android Studio.
====================
It will be updated as soon

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