When i run my whatsapp sticker app the below errors are displaying. could you let me know how i slove this problem,

Task :app:compileDebugJavaWithJavac
warning: unknown enum constant Mode.STRICT
  reason: class file for com.facebook.infer.annotation.Nullsafe$Mode not found
warning: unknown enum constant Mode.STRICT
warning: unknown enum constant Mode.LOCAL
warning: unknown enum constant Mode.LOCAL
warning: unknown enum constant Mode.LOCAL
warning: unknown enum constant Mode.LOCAL
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.

6 warnings