FOREIGN KEY EXCEPTION when running plugin on local machine with SQLite

[favdv]

When installing the latest version of wagtail, the latest version of the wagtailbakerydemo and the latest version of the plugin on a local environment, using the default SQLite database setup, a "FOREIGN KEY constraint failed" exception is appearing.

To replicate the issue:

• Install wagtail as per the wagtail site in venv and test (works OK),
• Install bakerydemo and test (works OK)
• install the review plugin (installs OK)
• run wagtail on localhost and access Admin
• Go to the About Us page (page id=76), make a change and Save As Draft
• Select "Submit for review" from the dropdown
• In the modal, select a review type and a user that needs to review the content
• Press the Submit button.

With debugging disabled, an internal server error is shown.

Debug tracelog info attached.

Errors+found+during+install.docx