Android build error in 4.26

After installing version 4.26 i have unknown errors trying to build project on android.

  1. Z:\app\src\main\java\com\epicgames\ue4\GameActivity.java:3364: error: cannot find symbol

  2. ERROR: cmd.exe failed with args /c “C:\Users\johnny7sk\Desktop\UDK projects\TANK\Intermediate\Android\arm64\gradle\rungradle.bat” :app:assembleDebug

Anybody else with same error?