Modifiquei o nome do projeto utilizando Refactor - Rename, mais na hora de copilar da esse erro:
Logcat:
04-18 06:19:38.440 18971-18971/? E/AndroidRuntime: in writeCrashedAppName, pkgName :com.example.jeferson.Vote25
04-18 06:19:38.440 18971-18971/? D/AndroidRuntime: file written successfully with content: com.example.jeferson.Vote25 StringBuffer : ;com.example.jeferson.Vote25
04-18 06:19:38.460 18971-18971/? I/Process: Sending signal. PID: 18971 SIG: 9
04-18 06:19:38.460 18971-18971/? E/AndroidRuntime: FATAL EXCEPTION: main