If you are developing Android apps with react native then you may face this react native issue > Could not find support-core-utils.jar (com.android.support:support-core-utils:27.1.1).
Searched in the following locations:
https://jcenter.bintray.com/com/android/support/support-core-utils/27.1.1/support-core-utils-27.1.1.jar
This react native issue occurs when you use third-party libraries such as react-native-admob. This Android specific issue can be solved quickly. Open android>build.gradle file and make the google() first in the allprojects tag as given below.
allprojects { repositories { google() mavenLocal() jcenter() maven { // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm url "$rootDir/../node_modules/react-native/android" } }
The issue will be resolved when you rebuild your react native project again.