To send a crash log file to support team, please see following.
1. Tap "Privacy" in the iPad / iPhone's Setting
2. Tap "Analytics" in the right panel
3. Tap "Analytics Data"
4. Log file list will be shown. Please tap a log file name that starts with "Piascore-". If some files will be shown, please tap a file created at time of crashing. In the following case, the file was created at 2018/04/19 01:12:51.
5. Tap the share button on the top right of view.
6. Please tap any app such as "Mail" for sending a file
7. Please send a log file to email@example.com