Error:Execution failed for task ':app:buildInfoDebugLoader'. Exception while doing past iteration b

记录Android Studio运行出现的错误 

Error:Execution failed for task ':app:buildInfoDebugLoader'.Exception while doing past iteration backup : Source \app\build\intermediates\builds\debug\184802777347678\classes.dex and destination \app\build\intermediates\builds\debug\184802777347678\classes.dex must be different

解决办法:找到这个项目所在文件夹然后app\build\intermediates\builds\debug在debug文件夹里面找到184802777347678 这个文件夹然后删除掉,问题就解决了