If you encounter an issue with an SCM package that contains a download instruction, check the Application Log of the ThingWorx Platform. The Application Log provides error messages that can help you identify the cause and resolve the issue. The log is accessible through ThingWorx Composer and also as a separate log file in the file system of the computer where the platform is running. The topics below provide information to guide you in troubleshooting problems with SCM packages that contain download instructions. These topics are all specific error messages that you may find in the Application Log.