can someone assist where I stopped receiving email notifications for project tasks.. nothing was changed on my email or quickbooks account

You can check in the Work tab to ensure you have the correct email for project task notifications, Wassim. Let's navigate through your options. 

Follow these steps:

1. From the left menu, select Work.
2. Click on Notifications.
3. Note that the primary admin has full access, while users can only access email notifications.
4. Select Edit to adjust your notification settings for assignments, due dates, and more.
5. After making changes, select Save and then Done.

To edit a project Instance  or Series and check if it is assigned to the correct person, follow these steps:

1. Go to the Work tab and select the project you want to edit.
2. Select Edit details dropdown. Then click Edit series.
3. Under the Assigned to tab, select the correct member and the email will be sent to their respective address.

You can find more details in managing projects and tasks through this helpful article: Manage and track your work with projects and tasks in QuickBooks Online Accountant.

If you're up to exploring using project templates in the future, you can use this insightful reference: Create and use project templates in QuickBooks Online Accountant.

The thread will remain active to assist you if you have more questions so please feel free to reach out again.