This problem is commonly encountered in Android Development:

Manifest merger failed with multiple errors, see logs

Generally, there is an error in merging resources in manifest. At this time, enter the following command on the Android studio command console:

gradlew processDebugManifest –stacktrace

Press enter to view the error log, similar to the following prompts:

E:\WorkSpace\AndroidDemo>gradlew processDebugManifest --stacktrace

> Task :paysdk_demo:processDebugManifest FAILED
E:\WorkSpace\AndroidDemo\paysdk_demo\src\main\AndroidManifest.xml:38:13-45 Error:
        Attribute meta-data#APPLOG_SCHEME@value at AndroidManifest.xml:38:13-45 requires a placeholder substitution but no value for <APPLOG_SCHEME> is provided.
E:\WorkSpace\AndroidDemo\paysdk_demo\src\main\AndroidManifest.xml Error:
        Validation failed, exiting

See http://g.co/androidstudio/manifest-merger for more information about the manifest merger.

Modify the error code at the corresponding position.