Quit Pixelmator Pro.
If Pixelmator Pro is open, quit the application. To do that, choose Pixelmator Pro > Quick Pixelmator Pro from the menu bar at the top of your screen.
To open Spotlight, click the magnifying glass icon in the upper-right corner of the menu bar, or press Command-Space from any app.
Find the Console.
After opening Spotlight, type the word 'Console' and press the Return key.
Open Pixelmator Pro and reproduce the issue.
Once you've opened the Console, open Pixelmator Pro and go through the steps that previously caused the issue to occur.
Find Pixelmator Pro logs in the Console.
In the upper-right corner of the Console, type the word 'Pixelmator' into the search field and press the Return key.
Select the logs.
Click the first result to select it. Then, choose Edit > Select All, and Edit > Copy.
Paste the logs into a text file.
Open the TextEdit app and paste the logs into a text file. Save the file.
Attach the logs to your response.
Once you have collected and saved the logs to a text file, attach the file to your email to us along with any other relevant information, such as your system specs.