This article explains how to find a Pixelmator Photo crash report.
To open the Settings app, tap the Settings icon on your iPad Home screen or the Dock. Then, go to Privacy > Analytics & Improvements > Analytics Data.
Find the crash report.
Browse the Analytics Data list to find the Pixelmator Photo crash. It will start with "Pixelmator Photo-" and end with an .ips extension.
Share the crash report with us.
Tap to open the crash report, then tap the Share button in the top left and choose Mail.