If you've processed a distribution that has not sent out payments and would like to delete the distribution, take the following steps:
From the Project's Distribution tab, select the distribution you would like to delete. Click Continue.
If your distribution is in the confirmed state. Click Undo Allocations.
Are you sure? If so, Click Undo and Save as Draft.
This distribution is now a draft and can now be deleted. Click Delete.
This action will delete the distribution draft. Click Delete Distribution.